158944645 has 16 divisors (see below), whose sum is σ = 202644288. Its totient is φ = 119266560.

The previous prime is 158944631. The next prime is 158944649. The reversal of 158944645 is 546449851.

It is a happy number.

158944645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158944645 - 2⁵ = 158944613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158944595 and 158944604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158944649) 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, 23050 + ... + 29140.

It is an arithmetic number, because the mean of its divisors is an integer number (12665268).

Almost surely, 2^158944645 is an apocalyptic number.

It is an amenable number.

158944645 is a deficient number, since it is larger than the sum of its proper divisors (43699643).

158944645 is a wasteful number, since it uses less digits than its factorization.

158944645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420.

The product of its digits is 691200, while the sum is 46.

The square root of 158944645 is about 12607.3250533172. The cubic root of 158944645 is about 541.6872750608.

The spelling of 158944645 in words is "one hundred fifty-eight million, nine hundred forty-four thousand, six hundred forty-five".