45740544 has 80 divisors (see below), whose sum is σ = 123512928. Its totient is φ = 15040512.

The previous prime is 45740507. The next prime is 45740551. The reversal of 45740544 is 44504754.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148839 + ... + 149145.

Almost surely, 2^45740544 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 45740544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61756464).

45740544 is an abundant number, since it is smaller than the sum of its proper divisors (77772384).

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

45740544 is an equidigital number, since it uses as much as digits as its factorization.

45740544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 45740544 is about 6763.1755854776. The cubic root of 45740544 is about 357.6298620269.

The spelling of 45740544 in words is "forty-five million, seven hundred forty thousand, five hundred forty-four".