45490432 has 36 divisors (see below), whose sum is σ = 97795180. Its totient is φ = 20994048.

The previous prime is 45490409. The next prime is 45490441. The reversal of 45490432 is 23409454.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19927296 + 25563136 = 4464^2 + 5056^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45490394 and 45490403.

It is a congruent number.

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, 3507 + ... + 10162.

Almost surely, 2^45490432 is an apocalyptic number.

It is an amenable number.

45490432 is an abundant number, since it is smaller than the sum of its proper divisors (52304748).

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

45490432 is a wasteful number, since it uses less digits than its factorization.

45490432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13698 (or 13684 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 45490432 is about 6744.6595169808. The cubic root of 45490432 is about 356.9768232122.

Adding to 45490432 its reverse (23409454), we get a palindrome (68899886).

The spelling of 45490432 in words is "forty-five million, four hundred ninety thousand, four hundred thirty-two".