142109142525 has 192 divisors, whose sum is σ = 316957570560. Its totient is φ = 60938956800.

The previous prime is 142109142521. The next prime is 142109142529. The reversal of 142109142525 is 525241901241.

142109142525 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 0 + 91 + 42 + 525 = 666.

It is an interprime number because it is at equal distance from previous prime (142109142521) and next prime (142109142529).

It is not a de Polignac number, because 142109142525 - 2² = 142109142521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142109142525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142109142521) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 25460235 + ... + 25465815.

It is an arithmetic number, because the mean of its divisors is an integer number (1650820680).

Almost surely, 2^142109142525 is an apocalyptic number.

142109142525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142109142525 is an abundant number, since it is smaller than the sum of its proper divisors (174848428035).

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

142109142525 is a wasteful number, since it uses less digits than its factorization.

142109142525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5941 (or 5930 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 142109142525 in words is "one hundred forty-two billion, one hundred nine million, one hundred forty-two thousand, five hundred twenty-five".