45223659 has 48 divisors (see below), whose sum is σ = 73513440. Its totient is φ = 26611200.

The previous prime is 45223649. The next prime is 45223679. The reversal of 45223659 is 95632254.

It is not a de Polignac number, because 45223659 - 2⁵ = 45223627 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45223649) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 447709 + ... + 447809.

It is an arithmetic number, because the mean of its divisors is an integer number (1531530).

Almost surely, 2^45223659 is an apocalyptic number.

45223659 is a deficient number, since it is larger than the sum of its proper divisors (28289781).

45223659 is a wasteful number, since it uses less digits than its factorization.

45223659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 249 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 45223659 is about 6724.8538274077. The cubic root of 45223659 is about 356.2776392222.

The spelling of 45223659 in words is "forty-five million, two hundred twenty-three thousand, six hundred fifty-nine".