45216612 has 54 divisors (see below), whose sum is σ = 132963558. Its totient is φ = 12918528.

The previous prime is 45216593. The next prime is 45216623. The reversal of 45216612 is 21661254.

45216612 is a `hidden beast` number, since 45 + 2 + 1 + 6 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 36072036 + 9144576 = 6006^2 + 3024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11053 + ... + 14580.

Almost surely, 2^45216612 is an apocalyptic number.

45216612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45216612 is an abundant number, since it is smaller than the sum of its proper divisors (87746946).

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

45216612 is a wasteful number, since it uses less digits than its factorization.

45216612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25657 (or 25645 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 45216612 is about 6724.3298550859. The cubic root of 45216612 is about 356.2591325452.

Adding to 45216612 its reverse (21661254), we get a palindrome (66877866).

The spelling of 45216612 in words is "forty-five million, two hundred sixteen thousand, six hundred twelve".