45021966 has 16 divisors (see below), whose sum is σ = 98229888. Its totient is φ = 13643000.

The previous prime is 45021953. The next prime is 45021979. The reversal of 45021966 is 66912054.

It is an interprime number because it is at equal distance from previous prime (45021953) and next prime (45021979).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341010 + ... + 341141.

It is an arithmetic number, because the mean of its divisors is an integer number (6139368).

Almost surely, 2^45021966 is an apocalyptic number.

45021966 is an abundant number, since it is smaller than the sum of its proper divisors (53207922).

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

45021966 is a wasteful number, since it uses less digits than its factorization.

45021966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682167.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 45021966 is about 6709.8409817223. The cubic root of 45021966 is about 355.7471956409.

The spelling of 45021966 in words is "forty-five million, twenty-one thousand, nine hundred sixty-six".