45494784 has 100 divisors (see below), whose sum is σ = 135913734. Its totient is φ = 15151104.

The previous prime is 45494777. The next prime is 45494821. The reversal of 45494784 is 48749454.

It can be written as a sum of positive squares in only one way, i.e., 41990400 + 3504384 = 6480^2 + 1872^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40924 + ... + 42020.

Almost surely, 2^45494784 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 45494784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67956867).

45494784 is an abundant number, since it is smaller than the sum of its proper divisors (90418950).

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

45494784 is an equidigital number, since it uses as much as digits as its factorization.

45494784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1102 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 45494784 is about 6744.9821348911. The cubic root of 45494784 is about 356.9882066579.

The spelling of 45494784 in words is "forty-five million, four hundred ninety-four thousand, seven hundred eighty-four".