1157443683 has 16 divisors (see below), whose sum is σ = 1737864192. Its totient is φ = 678852000.

The previous prime is 1157443613. The next prime is 1157443709. The reversal of 1157443683 is 3863447511.

It is a happy number.

It is not a de Polignac number, because 1157443683 - 2²⁵ = 1123889251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157443613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564688 + ... + 566733.

It is an arithmetic number, because the mean of its divisors is an integer number (108616512).

Almost surely, 2^1157443683 is an apocalyptic number.

1157443683 is a deficient number, since it is larger than the sum of its proper divisors (580420509).

1157443683 is a wasteful number, since it uses less digits than its factorization.

1157443683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131466.

The product of its digits is 241920, while the sum is 42.

The square root of 1157443683 is about 34021.2240079630. The cubic root of 1157443683 is about 1049.9451771830.

The spelling of 1157443683 in words is "one billion, one hundred fifty-seven million, four hundred forty-three thousand, six hundred eighty-three".