45032566 has 4 divisors (see below), whose sum is σ = 67548852. Its totient is φ = 22516282.

The previous prime is 45032557. The next prime is 45032591. The reversal of 45032566 is 66523054.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11258140 + ... + 11258143.

It is an arithmetic number, because the mean of its divisors is an integer number (16887213).

Almost surely, 2^45032566 is an apocalyptic number.

45032566 is a deficient number, since it is larger than the sum of its proper divisors (22516286).

45032566 is a wasteful number, since it uses less digits than its factorization.

45032566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22516285.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 45032566 is about 6710.6308198261. The cubic root of 45032566 is about 355.7751125646.

The spelling of 45032566 in words is "forty-five million, thirty-two thousand, five hundred sixty-six".