162545644 has 6 divisors (see below), whose sum is σ = 284454884. Its totient is φ = 81272820.

The previous prime is 162545629. The next prime is 162545659. The reversal of 162545644 is 446545261.

162545644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (162545629) and next prime (162545659).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20318202 + ... + 20318209.

Almost surely, 2^162545644 is an apocalyptic number.

It is an amenable number.

162545644 is a deficient number, since it is larger than the sum of its proper divisors (121909240).

162545644 is a wasteful number, since it uses less digits than its factorization.

162545644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40636415 (or 40636413 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 162545644 is about 12749.3389632561. The cubic root of 162545644 is about 545.7475296058.

The spelling of 162545644 in words is "one hundred sixty-two million, five hundred forty-five thousand, six hundred forty-four".