45409444 has 12 divisors (see below), whose sum is σ = 79523584. Its totient is φ = 22688424.

The previous prime is 45409439. The next prime is 45409459. The reversal of 45409444 is 44490454.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3949 + ... + 10315.

Almost surely, 2^45409444 is an apocalyptic number.

It is an amenable number.

45409444 is a deficient number, since it is larger than the sum of its proper divisors (34114140).

45409444 is a wasteful number, since it uses less digits than its factorization.

45409444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154 (or 8152 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 45409444 is about 6738.6529811232. The cubic root of 45409444 is about 356.7648518032.

Adding to 45409444 its reverse (44490454), we get a palindrome (89899898).

The spelling of 45409444 in words is "forty-five million, four hundred nine thousand, four hundred forty-four".