45183240 has 48 divisors (see below), whose sum is σ = 146846700. Its totient is φ = 12048768.

The previous prime is 45183227. The next prime is 45183241. The reversal of 45183240 is 4238154.

It can be written as a sum of positive squares in 2 ways, for example, as 42693156 + 2490084 = 6534^2 + 1578^2 .

It is not an unprimeable number, because it can be changed into a prime (45183241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62395 + ... + 63114.

Almost surely, 2^45183240 is an apocalyptic number.

45183240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45183240 is an abundant number, since it is smaller than the sum of its proper divisors (101663460).

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

45183240 is a wasteful number, since it uses less digits than its factorization.

45183240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125526 (or 125519 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 45183240 is about 6721.8479601967. The cubic root of 45183240 is about 356.1714656064.

The spelling of 45183240 in words is "forty-five million, one hundred eighty-three thousand, two hundred forty".