1142113642 has 8 divisors (see below), whose sum is σ = 1745494596. Its totient is φ = 560282112.

The previous prime is 1142113603. The next prime is 1142113657. The reversal of 1142113642 is 2463112411.

It can be written as a sum of positive squares in 2 ways, for example, as 1141831681 + 281961 = 33791^2 + 531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5387223 + ... + 5387434.

Almost surely, 2^1142113642 is an apocalyptic number.

1142113642 is a deficient number, since it is larger than the sum of its proper divisors (603380954).

1142113642 is a wasteful number, since it uses less digits than its factorization.

1142113642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10774712.

The product of its digits is 1152, while the sum is 25.

The square root of 1142113642 is about 33795.1718741006. The cubic root of 1142113642 is about 1045.2891432211.

The spelling of 1142113642 in words is "one billion, one hundred forty-two million, one hundred thirteen thousand, six hundred forty-two".