1143699315 has 16 divisors (see below), whose sum is σ = 1996275456. Its totient is φ = 554520800.

The previous prime is 1143699283. The next prime is 1143699371. The reversal of 1143699315 is 5139963411.

It is not a de Polignac number, because 1143699315 - 2⁵ = 1143699283 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3465591 + ... + 3465920.

It is an arithmetic number, because the mean of its divisors is an integer number (124767216).

Almost surely, 2^1143699315 is an apocalyptic number.

1143699315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1143699315 is a deficient number, since it is larger than the sum of its proper divisors (852576141).

1143699315 is a wasteful number, since it uses less digits than its factorization.

1143699315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6931530.

The product of its digits is 87480, while the sum is 42.

The square root of 1143699315 is about 33818.6237892674. The cubic root of 1143699315 is about 1045.7726678708.

The spelling of 1143699315 in words is "one billion, one hundred forty-three million, six hundred ninety-nine thousand, three hundred fifteen".