252440152 has 8 divisors (see below), whose sum is σ = 473325300. Its totient is φ = 126220072.

The previous prime is 252440141. The next prime is 252440179. The reversal of 252440152 is 251044252.

252440152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15777502 + ... + 15777517.

Almost surely, 2^252440152 is an apocalyptic number.

It is an amenable number.

252440152 is a deficient number, since it is larger than the sum of its proper divisors (220885148).

252440152 is a wasteful number, since it uses less digits than its factorization.

252440152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31555025 (or 31555021 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 252440152 is about 15888.3653029505. The cubic root of 252440152 is about 632.0034916754.

The spelling of 252440152 in words is "two hundred fifty-two million, four hundred forty thousand, one hundred fifty-two".