5145816180 has 96 divisors (see below), whose sum is σ = 14621814144. Its totient is φ = 1352024064.

The previous prime is 5145816131. The next prime is 5145816187. The reversal of 5145816180 is 816185415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145816187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1236984 + ... + 1241136.

It is an arithmetic number, because the mean of its divisors is an integer number (152310564).

Almost surely, 2^5145816180 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 5145816180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7310907072).

5145816180 is an abundant number, since it is smaller than the sum of its proper divisors (9475997964).

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

5145816180 is a wasteful number, since it uses less digits than its factorization.

5145816180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 39.

The square root of 5145816180 is about 71734.3444941124. The cubic root of 5145816180 is about 1726.4397339607.

The spelling of 5145816180 in words is "five billion, one hundred forty-five million, eight hundred sixteen thousand, one hundred eighty".