142531249073800 has 48 divisors (see below), whose sum is σ = 332430533279460. Its totient is φ = 56832649447680.

The previous prime is 142531249073761. The next prime is 142531249073819. The reversal of 142531249073800 is 8370942135241.

It can be written as a sum of positive squares in 6 ways, for example, as 4261260175524 + 138269988898276 = 2064282^2 + 11758826^2 .

It is a super-2 number, since 2×142531249073800² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1124000079 + ... + 1124126878.

Almost surely, 2^{142531249073800} is an apocalyptic number.

142531249073800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142531249073800 is an abundant number, since it is smaller than the sum of its proper divisors (189899284205660).

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

142531249073800 is a wasteful number, since it uses less digits than its factorization.

142531249073800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248127290 (or 2248127281 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 142531249073800 in words is "one hundred forty-two trillion, five hundred thirty-one billion, two hundred forty-nine million, seventy-three thousand, eight hundred".