45218988 has 36 divisors (see below), whose sum is σ = 114864568. Its totient is φ = 14999040.

The previous prime is 45218959. The next prime is 45219001. The reversal of 45218988 is 88981254.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4620 + ... + 10572.

Almost surely, 2^45218988 is an apocalyptic number.

It is an amenable number.

45218988 is an abundant number, since it is smaller than the sum of its proper divisors (69645580).

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

45218988 is a wasteful number, since it uses less digits than its factorization.

45218988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174 (or 6169 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 45218988 is about 6724.5065246455. The cubic root of 45218988 is about 356.2653725592.

The spelling of 45218988 in words is "forty-five million, two hundred eighteen thousand, nine hundred eighty-eight".