162157255 has 32 divisors (see below), whose sum is σ = 217945728. Its totient is φ = 115046400.

The previous prime is 162157243. The next prime is 162157277. The reversal of 162157255 is 552751261.

162157255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 162157255 - 2¹¹ = 162155207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162157255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188787 + ... + 189643.

It is an arithmetic number, because the mean of its divisors is an integer number (6810804).

Almost surely, 2^162157255 is an apocalyptic number.

162157255 is a deficient number, since it is larger than the sum of its proper divisors (55788473).

162157255 is a wasteful number, since it uses less digits than its factorization.

162157255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its digits is 21000, while the sum is 34.

The square root of 162157255 is about 12734.0981227569. The cubic root of 162157255 is about 545.3125104966.

The spelling of 162157255 in words is "one hundred sixty-two million, one hundred fifty-seven thousand, two hundred fifty-five".