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148345456900 = 225210126954601
BaseRepresentation
bin1000101000101000010…
…1000000100100000100
3112011220110011000102111
42022022011000210010
54412302414110100
6152052101550404
713501065402304
oct2121205004404
9464813130374
10148345456900
1157a05163463
1224900715404
1310cb185a484
147273b3d604
153cd37096ba
hex228a140904

148345456900 has 72 divisors (see below), whose sum is σ = 326311380360. Its totient is φ = 58531200000.

The previous prime is 148345456877. The next prime is 148345456927. The reversal of 148345456900 is 9654543841.

It can be written as a sum of positive squares in 12 ways, for example, as 76829861124 + 71515595776 = 277182^2 + 267424^2 .

It is a super-2 number, since 2×1483454569002 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2689600 + ... + 2744200.

It is an arithmetic number, because the mean of its divisors is an integer number (4532102505).

Almost surely, 2148345456900 is an apocalyptic number.

148345456900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148345456900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163155690180).

148345456900 is an abundant number, since it is smaller than the sum of its proper divisors (177965923460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148345456900 is a wasteful number, since it uses less digits than its factorization.

148345456900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54985 (or 54978 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 148345456900 in words is "one hundred forty-eight billion, three hundred forty-five million, four hundred fifty-six thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 269 404 505 538 1010 1076 1345 2020 2525 2690 5050 5380 6725 10100 13450 26900 27169 54338 54601 108676 109202 135845 218404 271690 273005 543380 546010 679225 1092020 1358450 1365025 2716900 2730050 5460100 5514701 11029402 14687669 22058804 27573505 29375338 55147010 58750676 73438345 110294020 137867525 146876690 275735050 293753380 367191725 551470100 734383450 1468766900 1483454569 2966909138 5933818276 7417272845 14834545690 29669091380 37086364225 74172728450 148345456900