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157160173 = 2331220421
BaseRepresentation
bin10010101111000…
…01001011101101
3101221201120020011
421113201023231
5310213111143
623332253221
73615560632
oct1127411355
9357646204
10157160173
1180792845
1244771211
1326737cb1
1416c30189
15dbe5e9d
hex95e12ed

157160173 has 8 divisors (see below), whose sum is σ = 169284096. Its totient is φ = 145477200.

The previous prime is 157160161. The next prime is 157160221. The reversal of 157160173 is 371061751.

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

It is a cyclic number.

It is not a de Polignac number, because 157160173 - 221 = 155063021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157160123) 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, 109498 + ... + 110923.

It is an arithmetic number, because the mean of its divisors is an integer number (21160512).

Almost surely, 2157160173 is an apocalyptic number.

It is an amenable number.

157160173 is a deficient number, since it is larger than the sum of its proper divisors (12123923).

157160173 is a wasteful number, since it uses less digits than its factorization.

157160173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220475.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 157160173 is about 12536.3540553065. The cubic root of 157160173 is about 539.6524661394.

The spelling of 157160173 in words is "one hundred fifty-seven million, one hundred sixty thousand, one hundred seventy-three".

Divisors: 1 23 31 713 220421 5069683 6833051 157160173