45719544 has 128 divisors (see below), whose sum is σ = 132249600. Its totient is φ = 13063680.

The previous prime is 45719539. The next prime is 45719581. The reversal of 45719544 is 44591754.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 280407 + ... + 280569.

It is an arithmetic number, because the mean of its divisors is an integer number (1033200).

Almost surely, 2^45719544 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 45719544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66124800).

45719544 is an abundant number, since it is smaller than the sum of its proper divisors (86530056).

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

45719544 is a wasteful number, since it uses less digits than its factorization.

45719544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 241 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 45719544 is about 6761.6228821194. The cubic root of 45719544 is about 357.5751230136.

The spelling of 45719544 in words is "forty-five million, seven hundred nineteen thousand, five hundred forty-four".