45168396 has 144 divisors (see below), whose sum is σ = 139426560. Its totient is φ = 11249280.

The previous prime is 45168391. The next prime is 45168413. The reversal of 45168396 is 69386154.

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

It is not an unprimeable number, because it can be changed into a prime (45168391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145081 + ... + 145391.

It is an arithmetic number, because the mean of its divisors is an integer number (968240).

Almost surely, 2^45168396 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 45168396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69713280).

45168396 is an abundant number, since it is smaller than the sum of its proper divisors (94258164).

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

45168396 is a wasteful number, since it uses less digits than its factorization.

45168396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 355 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 45168396 is about 6720.7437088465. The cubic root of 45168396 is about 356.1324571280.

The spelling of 45168396 in words is "forty-five million, one hundred sixty-eight thousand, three hundred ninety-six".