45913240 has 32 divisors (see below), whose sum is σ = 103500000. Its totient is φ = 18330624.

The previous prime is 45913223. The next prime is 45913249. The reversal of 45913240 is 4231954.

It is a junction number, because it is equal to n+sod(n) for n = 45913199 and 45913208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45913249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36136 + ... + 37384.

It is an arithmetic number, because the mean of its divisors is an integer number (3234375).

Almost surely, 2^45913240 is an apocalyptic number.

45913240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45913240 is an abundant number, since it is smaller than the sum of its proper divisors (57586760).

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

45913240 is a wasteful number, since it uses less digits than its factorization.

45913240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 45913240 is about 6775.9309323517. The cubic root of 45913240 is about 358.0793806683.

The spelling of 45913240 in words is "forty-five million, nine hundred thirteen thousand, two hundred forty".