142517452 has 24 divisors (see below), whose sum is σ = 310947840. Its totient is φ = 55526160.

The previous prime is 142517449. The next prime is 142517467. The reversal of 142517452 is 254715241.

142517452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142517452² = 40622448249144608, which contains 22 as substring.

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, 231052 + ... + 231667.

It is an arithmetic number, because the mean of its divisors is an integer number (12956160).

Almost surely, 2^142517452 is an apocalyptic number.

It is an amenable number.

142517452 is an abundant number, since it is smaller than the sum of its proper divisors (168430388).

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

142517452 is a wasteful number, since it uses less digits than its factorization.

142517452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462741 (or 462739 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 142517452 is about 11938.0673477745. The cubic root of 142517452 is about 522.3432854949.

The spelling of 142517452 in words is "one hundred forty-two million, five hundred seventeen thousand, four hundred fifty-two".