3172857148 has 6 divisors (see below), whose sum is σ = 5552500016. Its totient is φ = 1586428572.

The previous prime is 3172857133. The next prime is 3172857151. The reversal of 3172857148 is 8417582713.

It is a super-2 number, since 2×3172857148² = 20134044963229387808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3172857098 and 3172857107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396607140 + ... + 396607147.

Almost surely, 2^3172857148 is an apocalyptic number.

It is an amenable number.

3172857148 is a deficient number, since it is larger than the sum of its proper divisors (2379642868).

3172857148 is a wasteful number, since it uses less digits than its factorization.

3172857148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793214291 (or 793214289 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The square root of 3172857148 is about 56328.1204018029. The cubic root of 3172857148 is about 1469.4343000461.

The spelling of 3172857148 in words is "three billion, one hundred seventy-two million, eight hundred fifty-seven thousand, one hundred forty-eight".