45380992 has 16 divisors (see below), whose sum is σ = 90407700. Its totient is φ = 22690432.

The previous prime is 45380989. The next prime is 45381013. The reversal of 45380992 is 29908354.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177142 + ... + 177397.

Almost surely, 2^45380992 is an apocalyptic number.

It is an amenable number.

45380992 is a deficient number, since it is larger than the sum of its proper divisors (45026708).

45380992 is an equidigital number, since it uses as much as digits as its factorization.

45380992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354553 (or 354541 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 45380992 is about 6736.5415459270. The cubic root of 45380992 is about 356.6903240293.

The spelling of 45380992 in words is "forty-five million, three hundred eighty thousand, nine hundred ninety-two".