45611568 has 60 divisors (see below), whose sum is σ = 129427480. Its totient is φ = 14992128.

The previous prime is 45611567. The next prime is 45611581. The reversal of 45611568 is 86511654.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45611563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8343 + ... + 12681.

Almost surely, 2^45611568 is an apocalyptic number.

45611568 is a gapful number since it is divisible by the number (48) 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 45611568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64713740).

45611568 is an abundant number, since it is smaller than the sum of its proper divisors (83815912).

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

45611568 is a wasteful number, since it uses less digits than its factorization.

45611568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426 (or 4417 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 45611568 is about 6753.6336886153. The cubic root of 45611568 is about 357.2934056647.

The spelling of 45611568 in words is "forty-five million, six hundred eleven thousand, five hundred sixty-eight".