142125031525 has 24 divisors (see below), whose sum is σ = 177996653120. Its totient is φ = 112564131840.

The previous prime is 142125031481. The next prime is 142125031571. The reversal of 142125031525 is 525130521241.

It is not a de Polignac number, because 142125031525 - 2²³ = 142116642917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13701541 + ... + 13711909.

Almost surely, 2^142125031525 is an apocalyptic number.

It is an amenable number.

142125031525 is a deficient number, since it is larger than the sum of its proper divisors (35871621595).

142125031525 is a wasteful number, since it uses less digits than its factorization.

142125031525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15805 (or 15800 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 142125031525 its reverse (525130521241), we get a palindrome (667255552766).

The spelling of 142125031525 in words is "one hundred forty-two billion, one hundred twenty-five million, thirty-one thousand, five hundred twenty-five".