5175445157 has 4 divisors (see below), whose sum is σ = 5246341740. Its totient is φ = 5104548576.

The previous prime is 5175445153. The next prime is 5175445181. The reversal of 5175445157 is 7515445715.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2080636996 + 3094808161 = 45614^2 + 55631^2 .

It is a cyclic number.

It is not a de Polignac number, because 5175445157 - 2² = 5175445153 is a prime.

It is a super-2 number, since 2×5175445157² = 53570465146229509298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5175445153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35448182 + ... + 35448327.

It is an arithmetic number, because the mean of its divisors is an integer number (1311585435).

Almost surely, 2^5175445157 is an apocalyptic number.

It is an amenable number.

5175445157 is a deficient number, since it is larger than the sum of its proper divisors (70896583).

5175445157 is an equidigital number, since it uses as much as digits as its factorization.

5175445157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70896582.

The product of its digits is 490000, while the sum is 44.

The square root of 5175445157 is about 71940.5668381894. The cubic root of 5175445157 is about 1729.7469371562.

The spelling of 5175445157 in words is "five billion, one hundred seventy-five million, four hundred forty-five thousand, one hundred fifty-seven".