162439252 has 12 divisors (see below), whose sum is σ = 284523316. Its totient is φ = 81146880.

The previous prime is 162439241. The next prime is 162439273. The reversal of 162439252 is 252934261.

It can be written as a sum of positive squares in 2 ways, for example, as 141039376 + 21399876 = 11876^2 + 4626^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12999 + ... + 22222.

Almost surely, 2^162439252 is an apocalyptic number.

It is an amenable number.

162439252 is a deficient number, since it is larger than the sum of its proper divisors (122084064).

162439252 is a wasteful number, since it uses less digits than its factorization.

162439252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36378 (or 36376 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 162439252 is about 12745.1658286583. The cubic root of 162439252 is about 545.6284331220.

The spelling of 162439252 in words is "one hundred sixty-two million, four hundred thirty-nine thousand, two hundred fifty-two".