1155876442 has 16 divisors (see below), whose sum is σ = 1984986432. Its totient is φ = 494504640.

The previous prime is 1155876437. The next prime is 1155876451. The reversal of 1155876442 is 2446785511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64303 + ... + 80290.

It is an arithmetic number, because the mean of its divisors is an integer number (124061652).

Almost surely, 2^1155876442 is an apocalyptic number.

1155876442 is a deficient number, since it is larger than the sum of its proper divisors (829109990).

1155876442 is a wasteful number, since it uses less digits than its factorization.

1155876442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145173.

The product of its digits is 268800, while the sum is 43.

The square root of 1155876442 is about 33998.1829220328. The cubic root of 1155876442 is about 1049.4710690488.

The spelling of 1155876442 in words is "one billion, one hundred fifty-five million, eight hundred seventy-six thousand, four hundred forty-two".