45486216 has 24 divisors (see below), whose sum is σ = 123192030. Its totient is φ = 15162048.

The previous prime is 45486187. The next prime is 45486223. The reversal of 45486216 is 61268454.

It can be written as a sum of positive squares in only one way, i.e., 26563716 + 18922500 = 5154^2 + 4350^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315805 + ... + 315948.

Almost surely, 2^45486216 is an apocalyptic number.

It is an amenable number.

45486216 is an abundant number, since it is smaller than the sum of its proper divisors (77705814).

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

45486216 is a wasteful number, since it uses less digits than its factorization.

45486216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631765 (or 631758 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 45486216 is about 6744.3469661636. The cubic root of 45486216 is about 356.9657948067.

The spelling of 45486216 in words is "forty-five million, four hundred eighty-six thousand, two hundred sixteen".