45768156 has 72 divisors (see below), whose sum is σ = 125120016. Its totient is φ = 12983040.

The previous prime is 45768139. The next prime is 45768167. The reversal of 45768156 is 65186754.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162736 + ... + 163016.

It is an arithmetic number, because the mean of its divisors is an integer number (1737778).

Almost surely, 2^45768156 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 45768156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62560008).

45768156 is an abundant number, since it is smaller than the sum of its proper divisors (79351860).

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

45768156 is a wasteful number, since it uses less digits than its factorization.

45768156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 570 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 45768156 is about 6765.2166262434. The cubic root of 45768156 is about 357.7018105180.

The spelling of 45768156 in words is "forty-five million, seven hundred sixty-eight thousand, one hundred fifty-six".