142620515523564 has 48 divisors (see below), whose sum is σ = 359879253941760. Its totient is φ = 43699623670080.

The previous prime is 142620515523517. The next prime is 142620515523583. The reversal of 142620515523564 is 465325515026241.

It is a super-2 number, since 2×142620515523564² (a number of 29 digits) contains 22 as substring.

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, 1912586302 + ... + 1912660869.

It is an arithmetic number, because the mean of its divisors is an integer number (7497484457120).

Almost surely, 2^{142620515523564} is an apocalyptic number.

It is an amenable number.

142620515523564 is an abundant number, since it is smaller than the sum of its proper divisors (217258738418196).

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

142620515523564 is a wasteful number, since it uses less digits than its factorization.

142620515523564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825247430 (or 3825247428 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 51.

The spelling of 142620515523564 in words is "one hundred forty-two trillion, six hundred twenty billion, five hundred fifteen million, five hundred twenty-three thousand, five hundred sixty-four".