45122008 has 8 divisors (see below), whose sum is σ = 84603780. Its totient is φ = 22561000.

The previous prime is 45122003. The next prime is 45122009. The reversal of 45122008 is 80022154.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 45122008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45122003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820118 + ... + 2820133.

Almost surely, 2^45122008 is an apocalyptic number.

It is an amenable number.

45122008 is a deficient number, since it is larger than the sum of its proper divisors (39481772).

45122008 is a wasteful number, since it uses less digits than its factorization.

45122008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640257 (or 5640253 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 45122008 is about 6717.2917161606. The cubic root of 45122008 is about 356.0104992064.

The spelling of 45122008 in words is "forty-five million, one hundred twenty-two thousand, eight".