45711520 has 24 divisors (see below), whose sum is σ = 107993844. Its totient is φ = 18284544.

The previous prime is 45711517. The next prime is 45711529. The reversal of 45711520 is 2511754.

It can be written as a sum of positive squares in 2 ways, for example, as 38291344 + 7420176 = 6188^2 + 2724^2 .

It is not an unprimeable number, because it can be changed into a prime (45711529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142689 + ... + 143008.

Almost surely, 2^45711520 is an apocalyptic number.

45711520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45711520 is an abundant number, since it is smaller than the sum of its proper divisors (62282324).

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

45711520 is a wasteful number, since it uses less digits than its factorization.

45711520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285712 (or 285704 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 45711520 is about 6761.0295074049. The cubic root of 45711520 is about 357.5542030714.

The spelling of 45711520 in words is "forty-five million, seven hundred eleven thousand, five hundred twenty".