253142152 has 8 divisors (see below), whose sum is σ = 474641550. Its totient is φ = 126571072.

The previous prime is 253142137. The next prime is 253142171. The reversal of 253142152 is 251241352.

It can be written as a sum of positive squares in only one way, i.e., 143856036 + 109286116 = 11994^2 + 10454^2 .

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

It is a super-2 number, since 2×253142152² = 128161898238382208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15821377 + ... + 15821392.

Almost surely, 2^253142152 is an apocalyptic number.

It is an amenable number.

253142152 is a deficient number, since it is larger than the sum of its proper divisors (221499398).

253142152 is a wasteful number, since it uses less digits than its factorization.

253142152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31642775 (or 31642771 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 253142152 is about 15910.4416029223. The cubic root of 253142152 is about 632.5887866112.

The spelling of 253142152 in words is "two hundred fifty-three million, one hundred forty-two thousand, one hundred fifty-two".