1142774584 has 32 divisors (see below), whose sum is σ = 2450448000. Its totient is φ = 489431520.

The previous prime is 1142774569. The next prime is 1142774587. The reversal of 1142774584 is 4854772411.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1142774584.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142774587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89139 + ... + 101149.

It is an arithmetic number, because the mean of its divisors is an integer number (76576500).

Almost surely, 2^1142774584 is an apocalyptic number.

1142774584 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1142774584 is an abundant number, since it is smaller than the sum of its proper divisors (1307673416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142774584 is a wasteful number, since it uses less digits than its factorization.

1142774584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13723 (or 13719 counting only the distinct ones).

The product of its digits is 250880, while the sum is 43.

The square root of 1142774584 is about 33804.9491051236. The cubic root of 1142774584 is about 1045.4907408684.

The spelling of 1142774584 in words is "one billion, one hundred forty-two million, seven hundred seventy-four thousand, five hundred eighty-four".