45279612 has 72 divisors (see below), whose sum is σ = 133625856. Its totient is φ = 12658464.

The previous prime is 45279587. The next prime is 45279631. The reversal of 45279612 is 21697254.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9933 + ... + 13755.

Almost surely, 2^45279612 is an apocalyptic number.

45279612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45279612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66812928).

45279612 is an abundant number, since it is smaller than the sum of its proper divisors (88346244).

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

45279612 is a wasteful number, since it uses less digits than its factorization.

45279612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887 (or 3882 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 45279612 is about 6729.0127061851. The cubic root of 45279612 is about 356.4245135750.

The spelling of 45279612 in words is "forty-five million, two hundred seventy-nine thousand, six hundred twelve".