1143376155 has 40 divisors (see below), whose sum is σ = 2088318672. Its totient is φ = 598283712.

The previous prime is 1143376153. The next prime is 1143376159. The reversal of 1143376155 is 5516733411.

1143376155 is a `hidden beast` number, since 1 + 1 + 4 + 3 + 37 + 615 + 5 = 666.

It is not a de Polignac number, because 1143376155 - 2¹ = 1143376153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143376153) 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, 5169 + ... + 48098.

Almost surely, 2^1143376155 is an apocalyptic number.

1143376155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1143376155 is a deficient number, since it is larger than the sum of its proper divisors (944942517).

1143376155 is an equidigital number, since it uses as much as digits as its factorization.

1143376155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53337 (or 53328 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 1143376155 is about 33813.8456109328. The cubic root of 1143376155 is about 1045.6741618718.

The spelling of 1143376155 in words is "one billion, one hundred forty-three million, three hundred seventy-six thousand, one hundred fifty-five".