142542551523520 has 112 divisors (see below), whose sum is σ = 339593190906240. Its totient is φ = 56989523275776.

The previous prime is 142542551523503. The next prime is 142542551523539. The reversal of 142542551523520 is 25325155245241.

It is a super-2 number, since 2×142542551523520² (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, 7179889914 + ... + 7179909766.

Almost surely, 2^{142542551523520} is an apocalyptic number.

142542551523520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142542551523520 is an abundant number, since it is smaller than the sum of its proper divisors (197050639382720).

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

142542551523520 is a wasteful number, since it uses less digits than its factorization.

142542551523520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29562 (or 29552 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 46.

The spelling of 142542551523520 in words is "one hundred forty-two trillion, five hundred forty-two billion, five hundred fifty-one million, five hundred twenty-three thousand, five hundred twenty".