45021158 has 16 divisors (see below), whose sum is σ = 83116320. Its totient is φ = 17810496.

The previous prime is 45021107. The next prime is 45021161. The reversal of 45021158 is 85112054.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123503 + ... + 123866.

It is an arithmetic number, because the mean of its divisors is an integer number (5194770).

Almost surely, 2^45021158 is an apocalyptic number.

45021158 is a deficient number, since it is larger than the sum of its proper divisors (38095162).

45021158 is a wasteful number, since it uses less digits than its factorization.

45021158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247391.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 45021158 is about 6709.7807713814. The cubic root of 45021158 is about 355.7450674541.

The spelling of 45021158 in words is "forty-five million, twenty-one thousand, one hundred fifty-eight".