252251142 has 32 divisors (see below), whose sum is σ = 592704000. Its totient is φ = 70559520.

The previous prime is 252251141. The next prime is 252251149. The reversal of 252251142 is 241152252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252251141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146142 + ... + 147857.

It is an arithmetic number, because the mean of its divisors is an integer number (18522000).

Almost surely, 2^252251142 is an apocalyptic number.

252251142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252251142 is an abundant number, since it is smaller than the sum of its proper divisors (340452858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252251142 is a wasteful number, since it uses less digits than its factorization.

252251142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294028.

The product of its digits is 1600, while the sum is 24.

The square root of 252251142 is about 15882.4161260181. The cubic root of 252251142 is about 631.8457185628.

The spelling of 252251142 in words is "two hundred fifty-two million, two hundred fifty-one thousand, one hundred forty-two".