5185637145 has 128 divisors (see below), whose sum is σ = 10274342400. Its totient is φ = 2465510400.

The previous prime is 5185637131. The next prime is 5185637161. The reversal of 5185637145 is 5417365815.

5185637145 is a `hidden beast` number, since 5 + 1 + 8 + 5 + 637 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 5185637145 - 2⁴ = 5185637129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5185637145.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6315835 + ... + 6316655.

It is an arithmetic number, because the mean of its divisors is an integer number (80268300).

Almost surely, 2^5185637145 is an apocalyptic number.

It is an amenable number.

5185637145 is a deficient number, since it is larger than the sum of its proper divisors (5088705255).

5185637145 is a wasteful number, since it uses less digits than its factorization.

5185637145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 962 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 5185637145 is about 72011.3681650335. The cubic root of 5185637145 is about 1730.8816543656.

The spelling of 5185637145 in words is "five billion, one hundred eighty-five million, six hundred thirty-seven thousand, one hundred forty-five".