45178716 has 72 divisors (see below), whose sum is σ = 120403584. Its totient is φ = 13075040.

The previous prime is 45178711. The next prime is 45178729. The reversal of 45178716 is 61787154.

It is a super-2 number, since 2×45178716² = 4082232758817312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45178711) 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, 69505 + ... + 70151.

It is an arithmetic number, because the mean of its divisors is an integer number (1672272).

Almost surely, 2^45178716 is an apocalyptic number.

45178716 is a gapful number since it is divisible by the number (46) 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 45178716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60201792).

45178716 is an abundant number, since it is smaller than the sum of its proper divisors (75224868).

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

45178716 is a wasteful number, since it uses less digits than its factorization.

45178716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 686 counting only the distinct ones).

The product of its digits is 47040, while the sum is 39.

The square root of 45178716 is about 6721.5114371695. The cubic root of 45178716 is about 356.1595779131.

The spelling of 45178716 in words is "forty-five million, one hundred seventy-eight thousand, seven hundred sixteen".