158158845 has 64 divisors (see below), whose sum is σ = 304899840. Its totient is φ = 77324544.

The previous prime is 158158843. The next prime is 158158867. The reversal of 158158845 is 548851851.

It is not a de Polignac number, because 158158845 - 2¹ = 158158843 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 158158845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158158843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 398187 + ... + 398583.

It is an arithmetic number, because the mean of its divisors is an integer number (4764060).

Almost surely, 2^158158845 is an apocalyptic number.

158158845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158158845 is a deficient number, since it is larger than the sum of its proper divisors (146740995).

158158845 is a wasteful number, since it uses less digits than its factorization.

158158845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 645 counting only the distinct ones).

The product of its digits is 256000, while the sum is 45.

The square root of 158158845 is about 12576.1220175378. The cubic root of 158158845 is about 540.7931246518.

The spelling of 158158845 in words is "one hundred fifty-eight million, one hundred fifty-eight thousand, eight hundred forty-five".