1143376157 has 32 divisors (see below), whose sum is σ = 1512898560. Its totient is φ = 836570880.

The previous prime is 1143376153. The next prime is 1143376159. The reversal of 1143376157 is 7516733411.

It is a cyclic number.

It is not a de Polignac number, because 1143376157 - 2² = 1143376153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143376157.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 793844 + ... + 795282.

It is an arithmetic number, because the mean of its divisors is an integer number (47278080).

Almost surely, 2^1143376157 is an apocalyptic number.

1143376157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1143376157 is a deficient number, since it is larger than the sum of its proper divisors (369522403).

1143376157 is a wasteful number, since it uses less digits than its factorization.

1143376157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081.

The product of its digits is 52920, while the sum is 38.

The square root of 1143376157 is about 33813.8456405065. The cubic root of 1143376157 is about 1045.6741624815.

The spelling of 1143376157 in words is "one billion, one hundred forty-three million, three hundred seventy-six thousand, one hundred fifty-seven".