158849073 has 16 divisors (see below), whose sum is σ = 236217600. Its totient is φ = 105500880.

The previous prime is 158849059. The next prime is 158849083. The reversal of 158849073 is 370948851.

158849073 is a `hidden beast` number, since 15 + 88 + 490 + 73 = 666.

It is not a de Polignac number, because 158849073 - 2⁴ = 158849057 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (158849083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3673 + ... + 18198.

It is an arithmetic number, because the mean of its divisors is an integer number (14763600).

Almost surely, 2^158849073 is an apocalyptic number.

It is an amenable number.

158849073 is a deficient number, since it is larger than the sum of its proper divisors (77368527).

158849073 is a wasteful number, since it uses less digits than its factorization.

158849073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22149 (or 22143 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 158849073 is about 12603.5341472144. The cubic root of 158849073 is about 541.5786827140.

The spelling of 158849073 in words is "one hundred fifty-eight million, eight hundred forty-nine thousand, seventy-three".