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145374152 = 23711235997
BaseRepresentation
bin10001010101000…
…11101111001000
3101010112202211212
420222203233020
5244203433102
622231512252
73413442230
oct1052435710
9333482755
10145374152
1175072830
1240828688
132416c511
1415442cc0
15cb68c52
hex8aa3bc8

145374152 has 32 divisors (see below), whose sum is σ = 339837120. Its totient is φ = 56639040.

The previous prime is 145374143. The next prime is 145374179. The reversal of 145374152 is 251473541.

It is a super-2 number, since 2×1453741522 = 42267288139438208, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 117383 + ... + 118614.

It is an arithmetic number, because the mean of its divisors is an integer number (10619910).

Almost surely, 2145374152 is an apocalyptic number.

It is an amenable number.

145374152 is an abundant number, since it is smaller than the sum of its proper divisors (194462968).

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

145374152 is a wasteful number, since it uses less digits than its factorization.

145374152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236021 (or 236017 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 145374152 is about 12057.1203858965. The cubic root of 145374152 is about 525.8102705007.

The spelling of 145374152 in words is "one hundred forty-five million, three hundred seventy-four thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 235997 471994 943988 1651979 1887976 2595967 3303958 5191934 6607916 10383868 13215832 18171769 20767736 36343538 72687076 145374152