45275490 has 64 divisors (see below), whose sum is σ = 130032000. Its totient is φ = 11143872.

The previous prime is 45275449. The next prime is 45275491. The reversal of 45275490 is 9457254.

45275490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45275491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2940 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (2031750).

Almost surely, 2^45275490 is an apocalyptic number.

45275490 is an abundant number, since it is smaller than the sum of its proper divisors (84756510).

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

45275490 is a wasteful number, since it uses less digits than its factorization.

45275490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12928 (or 12922 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 45275490 is about 6728.7064135687. The cubic root of 45275490 is about 356.4136976223.

The spelling of 45275490 in words is "forty-five million, two hundred seventy-five thousand, four hundred ninety".