142306512522 has 32 divisors (see below), whose sum is σ = 293816016384. Its totient is φ = 45901900800.

The previous prime is 142306512521. The next prime is 142306512527. The reversal of 142306512522 is 225215603241.

It is a happy number.

It is a super-2 number, since 2×142306512522² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142306512521) 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, 3977658 + ... + 4013274.

It is an arithmetic number, because the mean of its divisors is an integer number (9181750512).

Almost surely, 2^142306512522 is an apocalyptic number.

142306512522 is an abundant number, since it is smaller than the sum of its proper divisors (151509503862).

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

142306512522 is a wasteful number, since it uses less digits than its factorization.

142306512522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57134.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 142306512522 in words is "one hundred forty-two billion, three hundred six million, five hundred twelve thousand, five hundred twenty-two".