158725125 has 48 divisors (see below), whose sum is σ = 308166768. Its totient is φ = 78134400.

The previous prime is 158725123. The next prime is 158725159. The reversal of 158725125 is 521527851.

158725125 is a `hidden beast` number, since 1 + 587 + 2 + 51 + 25 = 666.

158725125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 78747876 + 79977249 = 8874^2 + 8943^2 .

It is not a de Polignac number, because 158725125 - 2¹ = 158725123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158725125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158725123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9199 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (6420141).

Almost surely, 2^158725125 is an apocalyptic number.

158725125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158725125 is a deficient number, since it is larger than the sum of its proper divisors (149441643).

158725125 is a wasteful number, since it uses less digits than its factorization.

158725125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10887 (or 10874 counting only the distinct ones).

The product of its digits is 28000, while the sum is 36.

The square root of 158725125 is about 12598.6159954179. The cubic root of 158725125 is about 541.4377836402.

The spelling of 158725125 in words is "one hundred fifty-eight million, seven hundred twenty-five thousand, one hundred twenty-five".