142520984 has 8 divisors (see below), whose sum is σ = 267226860. Its totient is φ = 71260488.

The previous prime is 142520971. The next prime is 142521019. The reversal of 142520984 is 489025241.

142520984 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8907554 + ... + 8907569.

Almost surely, 2^142520984 is an apocalyptic number.

It is an amenable number.

142520984 is a deficient number, since it is larger than the sum of its proper divisors (124705876).

142520984 is a wasteful number, since it uses less digits than its factorization.

142520984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17815129 (or 17815125 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 142520984 is about 11938.2152770002. The cubic root of 142520984 is about 522.3476005249.

The spelling of 142520984 in words is "one hundred forty-two million, five hundred twenty thousand, nine hundred eighty-four".