1142564984 has 32 divisors (see below), whose sum is σ = 2343749040. Its totient is φ = 517862400.

The previous prime is 1142564957. The next prime is 1142564993. The reversal of 1142564984 is 4894652411.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12674 + ... + 49454.

Almost surely, 2^1142564984 is an apocalyptic number.

It is an amenable number.

1142564984 is an abundant number, since it is smaller than the sum of its proper divisors (1201184056).

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

1142564984 is a wasteful number, since it uses less digits than its factorization.

1142564984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37151 (or 37147 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 1142564984 is about 33801.8488251752. The cubic root of 1142564984 is about 1045.4268180087.

The spelling of 1142564984 in words is "one billion, one hundred forty-two million, five hundred sixty-four thousand, nine hundred eighty-four".