1142178964 has 6 divisors (see below), whose sum is σ = 1998813194. Its totient is φ = 571089480.

The previous prime is 1142178953. The next prime is 1142178967. The reversal of 1142178964 is 4698712411.

It can be written as a sum of positive squares in only one way, i.e., 885538564 + 256640400 = 29758^2 + 16020^2 .

It is a super-2 number, since 2×1142178964² = 2609145571608226592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1142178964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142178967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142772367 + ... + 142772374.

Almost surely, 2^1142178964 is an apocalyptic number.

It is an amenable number.

1142178964 is a deficient number, since it is larger than the sum of its proper divisors (856634230).

1142178964 is a wasteful number, since it uses less digits than its factorization.

1142178964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285544745 (or 285544743 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 1142178964 is about 33796.1383001076. The cubic root of 1142178964 is about 1045.3090709157.

The spelling of 1142178964 in words is "one billion, one hundred forty-two million, one hundred seventy-eight thousand, nine hundred sixty-four".