1142263774 has 16 divisors (see below), whose sum is σ = 1865768400. Its totient is φ = 522414144.

The previous prime is 1142263763. The next prime is 1142263783. The reversal of 1142263774 is 4773622411.

It is a congruent number.

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, 517167 + ... + 519370.

It is an arithmetic number, because the mean of its divisors is an integer number (116610525).

Almost surely, 2^1142263774 is an apocalyptic number.

1142263774 is a deficient number, since it is larger than the sum of its proper divisors (723504626).

1142263774 is a wasteful number, since it uses less digits than its factorization.

1142263774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036587.

The product of its digits is 56448, while the sum is 37.

The square root of 1142263774 is about 33797.3930059701. The cubic root of 1142263774 is about 1045.3349426547.

The spelling of 1142263774 in words is "one billion, one hundred forty-two million, two hundred sixty-three thousand, seven hundred seventy-four".