157655023 has 8 divisors (see below), whose sum is σ = 159415776. Its totient is φ = 155904000.

The previous prime is 157655009. The next prime is 157655033. The reversal of 157655023 is 320556751.

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 157655023 - 2²⁵ = 124100591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157655023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157655033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32943 + ... + 37423.

It is an arithmetic number, because the mean of its divisors is an integer number (19926972).

Almost surely, 2^157655023 is an apocalyptic number.

157655023 is a deficient number, since it is larger than the sum of its proper divisors (1760753).

157655023 is a wasteful number, since it uses less digits than its factorization.

157655023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4865.

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 157655023 is about 12556.0751431329. The cubic root of 157655023 is about 540.2182736709.

The spelling of 157655023 in words is "one hundred fifty-seven million, six hundred fifty-five thousand, twenty-three".