45712560 has 80 divisors (see below), whose sum is σ = 143562240. Its totient is φ = 12030720.

The previous prime is 45712549. The next prime is 45712561. The reversal of 45712560 is 6521754.

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 (30).

It is not an unprimeable number, because it can be changed into a prime (45712561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17755 + ... + 20165.

It is an arithmetic number, because the mean of its divisors is an integer number (1794528).

Almost surely, 2^45712560 is an apocalyptic number.

45712560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45712560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71781120).

45712560 is an abundant number, since it is smaller than the sum of its proper divisors (97849680).

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

45712560 is a wasteful number, since it uses less digits than its factorization.

45712560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 45712560 is about 6761.1064183312. The cubic root of 45712560 is about 357.5569146675.

The spelling of 45712560 in words is "forty-five million, seven hundred twelve thousand, five hundred sixty".