45194464 has 144 divisors (see below), whose sum is σ = 114624720. Its totient is φ = 17418240.

The previous prime is 45194459. The next prime is 45194477. The reversal of 45194464 is 46449154.

45194464 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1102284 + ... + 1102324.

It is an arithmetic number, because the mean of its divisors is an integer number (796005).

Almost surely, 2^45194464 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 45194464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57312360).

45194464 is an abundant number, since it is smaller than the sum of its proper divisors (69430256).

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

45194464 is a wasteful number, since it uses less digits than its factorization.

45194464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 106 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 45194464 is about 6722.6827978122. The cubic root of 45194464 is about 356.2009554316.

The spelling of 45194464 in words is "forty-five million, one hundred ninety-four thousand, four hundred sixty-four".