45615492 has 72 divisors (see below), whose sum is σ = 128495640. Its totient is φ = 13547520.

The previous prime is 45615481. The next prime is 45615527. The reversal of 45615492 is 29451654.

45615492 is a `hidden beast` number, since 4 + 561 + 5 + 4 + 92 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5089536 + 40525956 = 2256^2 + 6366^2 .

It is a super-2 number, since 2×45615492² = 4161546220804128, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 11892 + ... + 15252.

Almost surely, 2^45615492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45615492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64247820).

45615492 is an abundant number, since it is smaller than the sum of its proper divisors (82880148).

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

45615492 is a wasteful number, since it uses less digits than its factorization.

45615492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413 (or 3408 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 45615492 is about 6753.9241926453. The cubic root of 45615492 is about 357.3036514509.

The spelling of 45615492 in words is "forty-five million, six hundred fifteen thousand, four hundred ninety-two".