45915340 has 48 divisors (see below), whose sum is σ = 100638720. Its totient is φ = 17576640.

The previous prime is 45915319. The next prime is 45915361. The reversal of 45915340 is 4351954.

It is an interprime number because it is at equal distance from previous prime (45915319) and next prime (45915361).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63501 + ... + 64219.

It is an arithmetic number, because the mean of its divisors is an integer number (2096640).

Almost surely, 2^45915340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45915340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50319360).

45915340 is an abundant number, since it is smaller than the sum of its proper divisors (54723380).

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

45915340 is a wasteful number, since it uses less digits than its factorization.

45915340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 45915340 is about 6776.0858908370. The cubic root of 45915340 is about 358.0848399159.

The spelling of 45915340 in words is "forty-five million, nine hundred fifteen thousand, three hundred forty".