3180157945 has 8 divisors (see below), whose sum is σ = 3897385344. Its totient is φ = 2489995824.

The previous prime is 3180157943. The next prime is 3180157961. The reversal of 3180157945 is 5497510813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3180157945 - 2¹ = 3180157943 is a prime.

It is a super-2 number, since 2×3180157945² = 20226809110293246050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3180157943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6766059 + ... + 6766528.

It is an arithmetic number, because the mean of its divisors is an integer number (487173168).

Almost surely, 2^3180157945 is an apocalyptic number.

It is an amenable number.

3180157945 is a deficient number, since it is larger than the sum of its proper divisors (717227399).

3180157945 is a wasteful number, since it uses less digits than its factorization.

3180157945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13532639.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 3180157945 is about 56392.8891350674. The cubic root of 3180157945 is about 1470.5605009290.

The spelling of 3180157945 in words is "three billion, one hundred eighty million, one hundred fifty-seven thousand, nine hundred forty-five".