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145798372 = 22976132
BaseRepresentation
bin10001011000010…
…11010011100100
3101011100022202201
420230023103210
5244311021442
622244544244
73420160066
oct1054132344
9334308681
10145798372
1175332525
12409b2084
132428a635
1415513736
15cbee7b7
hex8b0b4e4

145798372 has 18 divisors (see below), whose sum is σ = 258198738. Its totient is φ = 72029952.

The previous prime is 145798361. The next prime is 145798427. The reversal of 145798372 is 273897541.

It can be written as a sum of positive squares in 3 ways, for example, as 18198756 + 127599616 = 4266^2 + 11296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237538 + ... + 238150.

Almost surely, 2145798372 is an apocalyptic number.

It is an amenable number.

145798372 is a deficient number, since it is larger than the sum of its proper divisors (112400366).

145798372 is an frugal number, since it uses more digits than its factorization.

145798372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 712 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 145798372 is about 12074.6996650020. The cubic root of 145798372 is about 526.3212338995.

The spelling of 145798372 in words is "one hundred forty-five million, seven hundred ninety-eight thousand, three hundred seventy-two".

Divisors: 1 2 4 97 194 388 613 1226 2452 59461 118922 237844 375769 751538 1503076 36449593 72899186 145798372