45021006 has 48 divisors (see below), whose sum is σ = 99824400. Its totient is φ = 14661504.

The previous prime is 45020951. The next prime is 45021007. The reversal of 45021006 is 60012054.

It is a happy number.

45021006 is a `hidden beast` number, since 450 + 210 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 45021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45021007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251425 + ... + 251603.

It is an arithmetic number, because the mean of its divisors is an integer number (2079675).

Almost surely, 2^45021006 is an apocalyptic number.

45021006 is an abundant number, since it is smaller than the sum of its proper divisors (54803394).

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

45021006 is a wasteful number, since it uses less digits than its factorization.

45021006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45021006 is about 6709.7694446233. The cubic root of 45021006 is about 355.7446670993.

The spelling of 45021006 in words is "forty-five million, twenty-one thousand, six".