45158916 has 96 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 12880000.

The previous prime is 45158903. The next prime is 45158921. The reversal of 45158916 is 61985154.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179791 + ... + 180041.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^45158916 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 45158916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60963840).

45158916 is an abundant number, since it is smaller than the sum of its proper divisors (76768764).

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

45158916 is a wasteful number, since it uses less digits than its factorization.

45158916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 45158916 is about 6720.0383927475. The cubic root of 45158916 is about 356.1075402081.

It can be divided in two parts, 4515 and 8916, that added together give a palindrome (13431).

The spelling of 45158916 in words is "forty-five million, one hundred fifty-eight thousand, nine hundred sixteen".