45071180 has 144 divisors (see below), whose sum is σ = 124449696. Its totient is φ = 13547520.

The previous prime is 45071161. The next prime is 45071183. The reversal of 45071180 is 8117054.

It is a super-2 number, since 2×45071180² = 4062822533184800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45071183) 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, 398804 + ... + 398916.

It is an arithmetic number, because the mean of its divisors is an integer number (864234).

Almost surely, 2^45071180 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 45071180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62224848).

45071180 is an abundant number, since it is smaller than the sum of its proper divisors (79378516).

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

45071180 is a wasteful number, since it uses less digits than its factorization.

45071180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 45071180 is about 6713.5072801033. The cubic root of 45071180 is about 355.8767721462.

The spelling of 45071180 in words is "forty-five million, seventy-one thousand, one hundred eighty".