45731580 has 96 divisors (see below), whose sum is σ = 132922944. Its totient is φ = 11741184.

The previous prime is 45731573. The next prime is 45731591. The reversal of 45731580 is 8513754.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232042 + ... + 232238.

It is an arithmetic number, because the mean of its divisors is an integer number (1384614).

Almost surely, 2^45731580 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 45731580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66461472).

45731580 is an abundant number, since it is smaller than the sum of its proper divisors (87191364).

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

45731580 is a wasteful number, since it uses less digits than its factorization.

45731580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 45731580 is about 6762.5128465682. The cubic root of 45731580 is about 357.6064983379.

The spelling of 45731580 in words is "forty-five million, seven hundred thirty-one thousand, five hundred eighty".