3157448445 has 40 divisors (see below), whose sum is σ = 5683488096. Its totient is φ = 1683920016.

The previous prime is 3157448423. The next prime is 3157448449. The reversal of 3157448445 is 5448447513.

3157448445 is a `hidden beast` number, since 31 + 574 + 4 + 8 + 4 + 45 = 666.

It is not a de Polignac number, because 3157448445 - 2¹⁰ = 3157447421 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 3157448445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157448449) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82374 + ... + 114456.

Almost surely, 2^3157448445 is an apocalyptic number.

It is an amenable number.

3157448445 is a deficient number, since it is larger than the sum of its proper divisors (2526039651).

3157448445 is an frugal number, since it uses more digits than its factorization.

3157448445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32115 (or 32091 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 3157448445 is about 56191.1776438259. The cubic root of 3157448445 is about 1467.0517125811.

The spelling of 3157448445 in words is "three billion, one hundred fifty-seven million, four hundred forty-eight thousand, four hundred forty-five".