45409132 has 12 divisors (see below), whose sum is σ = 80769136. Its totient is φ = 22332240.

The previous prime is 45409129. The next prime is 45409151. The reversal of 45409132 is 23190454.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45409132.

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, 92808 + ... + 93295.

Almost surely, 2^45409132 is an apocalyptic number.

It is an amenable number.

45409132 is a deficient number, since it is larger than the sum of its proper divisors (35360004).

45409132 is a wasteful number, since it uses less digits than its factorization.

45409132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186168 (or 186166 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 45409132 is about 6738.6298310562. The cubic root of 45409132 is about 356.7640347126.

Adding to 45409132 its reverse (23190454), we get a palindrome (68599586).

The spelling of 45409132 in words is "forty-five million, four hundred nine thousand, one hundred thirty-two".