158797093 has 24 divisors (see below), whose sum is σ = 201239640. Its totient is φ = 124185600.

The previous prime is 158797043. The next prime is 158797099. The reversal of 158797093 is 390797851.

158797093 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 4 ways, for example, as 213444 + 158583649 = 462^2 + 12593^2 .

It is not a de Polignac number, because 158797093 - 2⁹ = 158796581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158797099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55293 + ... + 58093.

It is an arithmetic number, because the mean of its divisors is an integer number (8384985).

Almost surely, 2^158797093 is an apocalyptic number.

158797093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

158797093 is a deficient number, since it is larger than the sum of its proper divisors (42442547).

158797093 is a wasteful number, since it uses less digits than its factorization.

158797093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917 (or 2910 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 49.

The square root of 158797093 is about 12601.4718584775. The cubic root of 158797093 is about 541.5196028789.

The spelling of 158797093 in words is "one hundred fifty-eight million, seven hundred ninety-seven thousand, ninety-three".