162320545 has 16 divisors (see below), whose sum is σ = 205068672. Its totient is φ = 123101440.

The previous prime is 162320533. The next prime is 162320551. The reversal of 162320545 is 545023261.

It is not a de Polignac number, because 162320545 - 2⁵ = 162320513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6750 + ... + 19240.

It is an arithmetic number, because the mean of its divisors is an integer number (12816792).

Almost surely, 2^162320545 is an apocalyptic number.

It is an amenable number.

162320545 is a deficient number, since it is larger than the sum of its proper divisors (42748127).

162320545 is a wasteful number, since it uses less digits than its factorization.

162320545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 162320545 is about 12740.5080353964. The cubic root of 162320545 is about 545.4954896832.

The spelling of 162320545 in words is "one hundred sixty-two million, three hundred twenty thousand, five hundred forty-five".