45982540 has 24 divisors (see below), whose sum is σ = 96782112. Its totient is φ = 18351360.

The previous prime is 45982537. The next prime is 45982549. The reversal of 45982540 is 4528954.

It is a super-2 number, since 2×45982540² = 4228787969703200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45982540.

It is not an unprimeable number, because it can be changed into a prime (45982549) 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, 7380 + ... + 12100.

It is an arithmetic number, because the mean of its divisors is an integer number (4032588).

Almost surely, 2^45982540 is an apocalyptic number.

It is an amenable number.

45982540 is an abundant number, since it is smaller than the sum of its proper divisors (50799572).

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

45982540 is a wasteful number, since it uses less digits than its factorization.

45982540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217 (or 5215 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 45982540 is about 6781.0426926838. The cubic root of 45982540 is about 358.2594480199.

The spelling of 45982540 in words is "forty-five million, nine hundred eighty-two thousand, five hundred forty".