158156425 has 12 divisors (see below), whose sum is σ = 224130496. Its totient is φ = 108450000.

The previous prime is 158156387. The next prime is 158156443. The reversal of 158156425 is 524651851.

It is not a de Polignac number, because 158156425 - 2¹¹ = 158154377 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451701 + ... + 452050.

Almost surely, 2^158156425 is an apocalyptic number.

It is an amenable number.

158156425 is a deficient number, since it is larger than the sum of its proper divisors (65974071).

158156425 is an equidigital number, since it uses as much as digits as its factorization.

158156425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903768 (or 903763 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 158156425 is about 12576.0258030906. The cubic root of 158156425 is about 540.7903663994.

The spelling of 158156425 in words is "one hundred fifty-eight million, one hundred fifty-six thousand, four hundred twenty-five".