1142396156 has 12 divisors (see below), whose sum is σ = 2180938200. Its totient is φ = 519270960.

The previous prime is 1142396149. The next prime is 1142396183. The reversal of 1142396156 is 6516932411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12981731 + ... + 12981818.

It is an arithmetic number, because the mean of its divisors is an integer number (181744850).

Almost surely, 2^1142396156 is an apocalyptic number.

It is an amenable number.

1142396156 is a deficient number, since it is larger than the sum of its proper divisors (1038542044).

1142396156 is a wasteful number, since it uses less digits than its factorization.

1142396156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25963564 (or 25963562 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 1142396156 is about 33799.3514138955. The cubic root of 1142396156 is about 1045.3753239245.

The spelling of 1142396156 in words is "one billion, one hundred forty-two million, three hundred ninety-six thousand, one hundred fifty-six".