1142571782 has 48 divisors (see below), whose sum is σ = 1982002176. Its totient is φ = 492663600.

The previous prime is 1142571779. The next prime is 1142571823. The reversal of 1142571782 is 2871752411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 728363 + ... + 729929.

It is an arithmetic number, because the mean of its divisors is an integer number (41291712).

Almost surely, 2^1142571782 is an apocalyptic number.

1142571782 is a deficient number, since it is larger than the sum of its proper divisors (839430394).

1142571782 is a wasteful number, since it uses less digits than its factorization.

1142571782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745 (or 1734 counting only the distinct ones).

The product of its digits is 31360, while the sum is 38.

The square root of 1142571782 is about 33801.9493816555. The cubic root of 1142571782 is about 1045.4288913547.

The spelling of 1142571782 in words is "one billion, one hundred forty-two million, five hundred seventy-one thousand, seven hundred eighty-two".