158799105 has 24 divisors (see below), whose sum is σ = 276007680. Its totient is φ = 84460320.

The previous prime is 158799089. The next prime is 158799133. The reversal of 158799105 is 501997851.

It is not a de Polignac number, because 158799105 - 2⁴ = 158799089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12400 + ... + 21710.

It is an arithmetic number, because the mean of its divisors is an integer number (11500320).

Almost surely, 2^158799105 is an apocalyptic number.

158799105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158799105 is a deficient number, since it is larger than the sum of its proper divisors (117208575).

158799105 is a wasteful number, since it uses less digits than its factorization.

158799105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9701 (or 9698 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The square root of 158799105 is about 12601.5516901690. The cubic root of 158799105 is about 541.5218899334.

The spelling of 158799105 in words is "one hundred fifty-eight million, seven hundred ninety-nine thousand, one hundred five".