142556036354520 has 64 divisors (see below), whose sum is σ = 427678394415840. Its totient is φ = 38014028774400.

The previous prime is 142556036354489. The next prime is 142556036354527. The reversal of 142556036354520 is 25453630655241.

It is a super-2 number, since 2×142556036354520² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142556036354527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9267471 + ... + 19261310.

Almost surely, 2^{142556036354520} is an apocalyptic number.

142556036354520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142556036354520 is an abundant number, since it is smaller than the sum of its proper divisors (285122358061320).

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

142556036354520 is a wasteful number, since it uses less digits than its factorization.

142556036354520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28570436 (or 28570432 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 142556036354520 in words is "one hundred forty-two trillion, five hundred fifty-six billion, thirty-six million, three hundred fifty-four thousand, five hundred twenty".