45310240 has 48 divisors (see below), whose sum is σ = 107448768. Its totient is φ = 18055936.

The previous prime is 45310229. The next prime is 45310271. The reversal of 45310240 is 4201354.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80199 + ... + 80761.

It is an arithmetic number, because the mean of its divisors is an integer number (2238516).

Almost surely, 2^45310240 is an apocalyptic number.

45310240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45310240 is an abundant number, since it is smaller than the sum of its proper divisors (62138528).

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

45310240 is a wasteful number, since it uses less digits than its factorization.

45310240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45310240 is about 6731.2881382392. The cubic root of 45310240 is about 356.5048595928.

Adding to 45310240 its reverse (4201354), we get a palindrome (49511594).

The spelling of 45310240 in words is "forty-five million, three hundred ten thousand, two hundred forty".