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145352100 = 22352796133
BaseRepresentation
bin10001010100111…
…10010110100100
3101010111122121010
420222132112210
5244202231400
622231222220
73413321025
oct1052362644
9333448533
10145352100
1175058203
1240817970
132416247a
1415438c4c
15cb62450
hex8a9e5a4

145352100 has 72 divisors (see below), whose sum is σ = 425944960. Its totient is φ = 38263680.

The previous prime is 145352099. The next prime is 145352101. The reversal of 145352100 is 1253541.

It is an interprime number because it is at equal distance from previous prime (145352099) and next prime (145352101).

It is a super-2 number, since 2×1453521002 = 42254465948820000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145352101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20634 + ... + 26766.

Almost surely, 2145352100 is an apocalyptic number.

145352100 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 145352100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212972480).

145352100 is an abundant number, since it is smaller than the sum of its proper divisors (280592860).

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

145352100 is a wasteful number, since it uses less digits than its factorization.

145352100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6229 (or 6222 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 145352100 is about 12056.2058708368. The cubic root of 145352100 is about 525.7836822013.

The spelling of 145352100 in words is "one hundred forty-five million, three hundred fifty-two thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 79 100 150 158 237 300 316 395 474 790 948 1185 1580 1975 2370 3950 4740 5925 6133 7900 11850 12266 18399 23700 24532 30665 36798 61330 73596 91995 122660 153325 183990 306650 367980 459975 484507 613300 919950 969014 1453521 1839900 1938028 2422535 2907042 4845070 5814084 7267605 9690140 12112675 14535210 24225350 29070420 36338025 48450700 72676050 145352100