142452522 has 24 divisors (see below), whose sum is σ = 309550176. Its totient is φ = 47345256.

The previous prime is 142452517. The next prime is 142452523. The reversal of 142452522 is 225254241.

It is not an unprimeable number, because it can be changed into a prime (142452523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5158 + ... + 17649.

It is an arithmetic number, because the mean of its divisors is an integer number (12897924).

Almost surely, 2^142452522 is an apocalyptic number.

142452522 is an abundant number, since it is smaller than the sum of its proper divisors (167097654).

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

142452522 is a wasteful number, since it uses less digits than its factorization.

142452522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23162 (or 23159 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 142452522 is about 11935.3475860571. The cubic root of 142452522 is about 522.2639480735.

The spelling of 142452522 in words is "one hundred forty-two million, four hundred fifty-two thousand, five hundred twenty-two".