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157134155 = 546168171
BaseRepresentation
bin10010101110110…
…10110101001011
3101221200020112112
421113122311023
5310211243110
623331532535
73615422033
oct1127326513
9357606475
10157134155
1180775242
124475a14b
13267291b9
1416c248c3
15dbdd405
hex95dad4b

157134155 has 8 divisors (see below), whose sum is σ = 188972784. Its totient is φ = 125432800.

The previous prime is 157134149. The next prime is 157134157. The reversal of 157134155 is 551431751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157134155 - 210 = 157133131 is a prime.

It is a super-2 number, since 2×1571341552 = 49382285335128050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157134157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31781 + ... + 36390.

It is an arithmetic number, because the mean of its divisors is an integer number (23621598).

Almost surely, 2157134155 is an apocalyptic number.

157134155 is a deficient number, since it is larger than the sum of its proper divisors (31838629).

157134155 is an equidigital number, since it uses as much as digits as its factorization.

157134155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68637.

The product of its digits is 10500, while the sum is 32.

The square root of 157134155 is about 12535.3163103290. The cubic root of 157134155 is about 539.6226845213.

The spelling of 157134155 in words is "one hundred fifty-seven million, one hundred thirty-four thousand, one hundred fifty-five".

Divisors: 1 5 461 2305 68171 340855 31426831 157134155