152442172 has 12 divisors (see below), whose sum is σ = 271147576. Its totient is φ = 74971440.

The previous prime is 152442167. The next prime is 152442209. The reversal of 152442172 is 271244251.

It is a self number, because there is not a number n which added to its sum of digits gives 152442172.

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, 312138 + ... + 312625.

Almost surely, 2^152442172 is an apocalyptic number.

It is an amenable number.

152442172 is a deficient number, since it is larger than the sum of its proper divisors (118705404).

152442172 is a wasteful number, since it uses less digits than its factorization.

152442172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624828 (or 624826 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 152442172 is about 12346.7474259418. The cubic root of 152442172 is about 534.1973254578.

The spelling of 152442172 in words is "one hundred fifty-two million, four hundred forty-two thousand, one hundred seventy-two".