45107748 has 72 divisors (see below), whose sum is σ = 137184320. Its totient is φ = 12208320.

The previous prime is 45107747. The next prime is 45107753. The reversal of 45107748 is 84770154.

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 (45107743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78 + ... + 9498.

Almost surely, 2^45107748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45107748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68592160).

45107748 is an abundant number, since it is smaller than the sum of its proper divisors (92076572).

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

45107748 is a wasteful number, since it uses less digits than its factorization.

45107748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9457 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 45107748 is about 6716.2301926006. The cubic root of 45107748 is about 355.9729916808.

The spelling of 45107748 in words is "forty-five million, one hundred seven thousand, seven hundred forty-eight".