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145353152 = 267324449
BaseRepresentation
bin10001010100111…
…10100111000000
3101010111201001002
420222132213000
5244202300102
622231231132
73413324060
oct1052364700
9333451032
10145353152
1175058a7a
12408184a8
1324162aa9
14154393a0
15cb62902
hex8a9e9c0

145353152 has 28 divisors (see below), whose sum is σ = 329641200. Its totient is φ = 62294016.

The previous prime is 145353139. The next prime is 145353157. The reversal of 145353152 is 251353541.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×1453531522 = 42255077592670208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145353157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161777 + ... + 162672.

It is an arithmetic number, because the mean of its divisors is an integer number (11772900).

Almost surely, 2145353152 is an apocalyptic number.

It is an amenable number.

145353152 is an abundant number, since it is smaller than the sum of its proper divisors (184288048).

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

145353152 is an equidigital number, since it uses as much as digits as its factorization.

145353152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324468 (or 324458 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 145353152 is about 12056.2494997408. The cubic root of 145353152 is about 525.7849506684.

The spelling of 145353152 in words is "one hundred forty-five million, three hundred fifty-three thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 324449 648898 1297796 2271143 2595592 4542286 5191184 9084572 10382368 18169144 20764736 36338288 72676576 145353152