1142813774 has 8 divisors (see below), whose sum is σ = 1739806248. Its totient is φ = 562878360.

The previous prime is 1142813731. The next prime is 1142813779. The reversal of 1142813774 is 4773182411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142813779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4264097 + ... + 4264364.

It is an arithmetic number, because the mean of its divisors is an integer number (217475781).

Almost surely, 2^1142813774 is an apocalyptic number.

1142813774 is a deficient number, since it is larger than the sum of its proper divisors (596992474).

1142813774 is an equidigital number, since it uses as much as digits as its factorization.

1142813774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8528530.

The product of its digits is 37632, while the sum is 38.

The square root of 1142813774 is about 33805.5287490079. The cubic root of 1142813774 is about 1045.5026919899.

The spelling of 1142813774 in words is "one billion, one hundred forty-two million, eight hundred thirteen thousand, seven hundred seventy-four".