158481207 has 12 divisors (see below), whose sum is σ = 236302144. Its totient is φ = 102245760.

The previous prime is 158481203. The next prime is 158481251. The reversal of 158481207 is 702184851.

158481207 is a `hidden beast` number, since 158 + 481 + 20 + 7 = 666.

It is not a de Polignac number, because 158481207 - 2² = 158481203 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 (158481203) 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, 283738 + ... + 284295.

Almost surely, 2^158481207 is an apocalyptic number.

158481207 is a deficient number, since it is larger than the sum of its proper divisors (77820937).

158481207 is a wasteful number, since it uses less digits than its factorization.

158481207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568070 (or 568067 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 158481207 is about 12588.9319245121. The cubic root of 158481207 is about 541.1602931687.

The spelling of 158481207 in words is "one hundred fifty-eight million, four hundred eighty-one thousand, two hundred seven".