142252520 has 32 divisors (see below), whose sum is σ = 320764320. Its totient is φ = 56777280.

The previous prime is 142252489. The next prime is 142252543. The reversal of 142252520 is 25252241.

142252520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16019 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (10023885).

Almost surely, 2^142252520 is an apocalyptic number.

142252520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142252520 is an abundant number, since it is smaller than the sum of its proper divisors (178511800).

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

142252520 is a wasteful number, since it uses less digits than its factorization.

142252520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7745 (or 7741 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 142252520 is about 11926.9660853043. The cubic root of 142252520 is about 522.0194157084.

The spelling of 142252520 in words is "one hundred forty-two million, two hundred fifty-two thousand, five hundred twenty".