45917520 has 80 divisors (see below), whose sum is σ = 155293632. Its totient is φ = 11130880.

The previous prime is 45917519. The next prime is 45917533. The reversal of 45917520 is 2571954.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 6057 + ... + 11336.

Almost surely, 2^45917520 is an apocalyptic number.

45917520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45917520 is an abundant number, since it is smaller than the sum of its proper divisors (109376112).

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

45917520 is a wasteful number, since it uses less digits than its factorization.

45917520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17420 (or 17414 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 45917520 is about 6776.2467487541. The cubic root of 45917520 is about 358.0905069587.

The spelling of 45917520 in words is "forty-five million, nine hundred seventeen thousand, five hundred twenty".