45249216 has 28 divisors (see below), whose sum is σ = 119722392. Its totient is φ = 15083008.

The previous prime is 45249209. The next prime is 45249229. The reversal of 45249216 is 61294254.

It is a super-2 number, since 2×45249216² = 4094983097229312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117645 + ... + 118028.

Almost surely, 2^45249216 is an apocalyptic number.

It is an amenable number.

45249216 is an abundant number, since it is smaller than the sum of its proper divisors (74473176).

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

45249216 is a wasteful number, since it uses less digits than its factorization.

45249216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235688 (or 235678 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 45249216 is about 6726.7537490234. The cubic root of 45249216 is about 356.3447403306.

The spelling of 45249216 in words is "forty-five million, two hundred forty-nine thousand, two hundred sixteen".