45567021 has 16 divisors (see below), whose sum is σ = 65059200. Its totient is φ = 28267008.

The previous prime is 45567007. The next prime is 45567029. The reversal of 45567021 is 12076554.

It is not a de Polignac number, because 45567021 - 2⁶ = 45566957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45567021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45567029) 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, 481 + ... + 9558.

It is an arithmetic number, because the mean of its divisors is an integer number (4066200).

Almost surely, 2^45567021 is an apocalyptic number.

It is an amenable number.

45567021 is a deficient number, since it is larger than the sum of its proper divisors (19492179).

45567021 is a wasteful number, since it uses less digits than its factorization.

45567021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10148.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 45567021 is about 6750.3348805819. The cubic root of 45567021 is about 357.1770497016.

It can be divided in two parts, 455 and 67021, that added together give a palindrome (67476).

The spelling of 45567021 in words is "forty-five million, five hundred sixty-seven thousand, twenty-one".