45229392 has 120 divisors (see below), whose sum is σ = 140214984. Its totient is φ = 13519872.

The previous prime is 45229381. The next prime is 45229423. The reversal of 45229392 is 29392254.

45229392 is a `hidden beast` number, since 45 + 229 + 392 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3549456 + 41679936 = 1884^2 + 6456^2 .

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, 68938 + ... + 69590.

Almost surely, 2^45229392 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 45229392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70107492).

45229392 is an abundant number, since it is smaller than the sum of its proper divisors (94985592).

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

45229392 is a wasteful number, since it uses less digits than its factorization.

45229392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 708 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 45229392 is about 6725.2800685176. The cubic root of 45229392 is about 356.2926936829.

The spelling of 45229392 in words is "forty-five million, two hundred twenty-nine thousand, three hundred ninety-two".