157538755 has 8 divisors (see below), whose sum is σ = 206232624. Its totient is φ = 114573600.

The previous prime is 157538741. The next prime is 157538803. The reversal of 157538755 is 557835751.

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

It is not a de Polignac number, because 157538755 - 2⁵ = 157538723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432116 + ... + 1432225.

It is an arithmetic number, because the mean of its divisors is an integer number (25779078).

Almost surely, 2^157538755 is an apocalyptic number.

157538755 is a deficient number, since it is larger than the sum of its proper divisors (48693869).

157538755 is a wasteful number, since it uses less digits than its factorization.

157538755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864357.

The product of its digits is 735000, while the sum is 46.

The square root of 157538755 is about 12551.4443391986. Note that the first 3 decimals coincide. The cubic root of 157538755 is about 540.0854402987.

The spelling of 157538755 in words is "one hundred fifty-seven million, five hundred thirty-eight thousand, seven hundred fifty-five".