168142525 has 12 divisors (see below), whose sum is σ = 208683072. Its totient is φ = 134393840.

The previous prime is 168142523. The next prime is 168142537. The reversal of 168142525 is 525241861.

It is a happy number.

168142525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168142525 - 2¹ = 168142523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168142523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34914 + ... + 39436.

It is an arithmetic number, because the mean of its divisors is an integer number (17390256).

Almost surely, 2^168142525 is an apocalyptic number.

It is an amenable number.

168142525 is a deficient number, since it is larger than the sum of its proper divisors (40540547).

168142525 is a wasteful number, since it uses less digits than its factorization.

168142525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020 (or 6015 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 168142525 is about 12966.9782524688. The cubic root of 168142525 is about 551.9408291350.

The spelling of 168142525 in words is "one hundred sixty-eight million, one hundred forty-two thousand, five hundred twenty-five".