45001566 has 12 divisors (see below), whose sum is σ = 97503432. Its totient is φ = 15000516.

The previous prime is 45001543. The next prime is 45001573. The reversal of 45001566 is 66510054.

It is a happy number.

45001566 is a `hidden beast` number, since 4 + 500 + 156 + 6 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1250026 + ... + 1250061.

It is an arithmetic number, because the mean of its divisors is an integer number (8125286).

Almost surely, 2^45001566 is an apocalyptic number.

45001566 is an abundant number, since it is smaller than the sum of its proper divisors (52501866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45001566 is a wasteful number, since it uses less digits than its factorization.

45001566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500095 (or 2500092 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 45001566 is about 6708.3206542323. The cubic root of 45001566 is about 355.6934563974.

The spelling of 45001566 in words is "forty-five million, one thousand, five hundred sixty-six".