162023155 has 24 divisors (see below), whose sum is σ = 236012832. Its totient is φ = 106267392.

The previous prime is 162023131. The next prime is 162023167. The reversal of 162023155 is 551320261.

162023155 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 162023155 - 2¹⁹ = 161498867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8742 + ... + 20011.

It is an arithmetic number, because the mean of its divisors is an integer number (9833868).

Almost surely, 2^162023155 is an apocalyptic number.

162023155 is a deficient number, since it is larger than the sum of its proper divisors (73989677).

162023155 is a wasteful number, since it uses less digits than its factorization.

162023155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28795 (or 28788 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 162023155 is about 12728.8316431635. The cubic root of 162023155 is about 545.1621490983.

The spelling of 162023155 in words is "one hundred sixty-two million, twenty-three thousand, one hundred fifty-five".