158187425 has 24 divisors (see below), whose sum is σ = 215358240. Its totient is φ = 114307200.

The previous prime is 158187401. The next prime is 158187433. The reversal of 158187425 is 524781851.

It is not a de Polignac number, because 158187425 - 2¹² = 158183329 is a prime.

It is a super-2 number, since 2×158187425² = 50046522856261250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43061 + ... + 46589.

It is an arithmetic number, because the mean of its divisors is an integer number (8973260).

Almost surely, 2^158187425 is an apocalyptic number.

It is an amenable number.

158187425 is a deficient number, since it is larger than the sum of its proper divisors (57170815).

158187425 is a wasteful number, since it uses less digits than its factorization.

158187425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713 (or 3708 counting only the distinct ones).

The product of its digits is 89600, while the sum is 41.

The square root of 158187425 is about 12577.2582465337. The cubic root of 158187425 is about 540.8256972565.

The spelling of 158187425 in words is "one hundred fifty-eight million, one hundred eighty-seven thousand, four hundred twenty-five".