142117512530 has 32 divisors (see below), whose sum is σ = 292369015296. Its totient is φ = 48723839424.

The previous prime is 142117512529. The next prime is 142117512571. The reversal of 142117512530 is 35215711241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2994647 + ... + 3041733.

It is an arithmetic number, because the mean of its divisors is an integer number (9136531728).

Almost surely, 2^142117512530 is an apocalyptic number.

142117512530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142117512530 is an abundant number, since it is smaller than the sum of its proper divisors (150251502766).

142117512530 is a wasteful number, since it uses less digits than its factorization.

142117512530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90218.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 142117512530 in words is "one hundred forty-two billion, one hundred seventeen million, five hundred twelve thousand, five hundred thirty".