142204621524 has 48 divisors (see below), whose sum is σ = 379441550208. Its totient is φ = 40605331968.

The previous prime is 142204621501. The next prime is 142204621541. The reversal of 142204621524 is 425126402241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371649 + ... + 650024.

It is an arithmetic number, because the mean of its divisors is an integer number (7905032296).

Almost surely, 2^142204621524 is an apocalyptic number.

142204621524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142204621524 is an abundant number, since it is smaller than the sum of its proper divisors (237236928684).

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

142204621524 is a wasteful number, since it uses less digits than its factorization.

142204621524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023344 (or 1023342 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 142204621524 in words is "one hundred forty-two billion, two hundred four million, six hundred twenty-one thousand, five hundred twenty-four".