45518832 has 120 divisors (see below), whose sum is σ = 136181760. Its totient is φ = 14152320.

The previous prime is 45518831. The next prime is 45518833. The reversal of 45518832 is 23881554.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45518831) and next prime (45518833).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45518831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 347407 + ... + 347537.

It is an arithmetic number, because the mean of its divisors is an integer number (1134848).

Almost surely, 2^45518832 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 45518832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68090880).

45518832 is an abundant number, since it is smaller than the sum of its proper divisors (90662928).

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

45518832 is a wasteful number, since it uses less digits than its factorization.

45518832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 282 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 45518832 is about 6746.7645579196. The cubic root of 45518832 is about 357.0510954807.

The spelling of 45518832 in words is "forty-five million, five hundred eighteen thousand, eight hundred thirty-two".