1142296188 has 48 divisors (see below), whose sum is σ = 3060704640. Its totient is φ = 327931200.

The previous prime is 1142296171. The next prime is 1142296193. The reversal of 1142296188 is 8816922411.

It is a super-2 number, since 2×1142296188² = 2609681162238662688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225223 + ... + 230238.

It is an arithmetic number, because the mean of its divisors is an integer number (63764680).

Almost surely, 2^1142296188 is an apocalyptic number.

It is an amenable number.

1142296188 is an abundant number, since it is smaller than the sum of its proper divisors (1918408452).

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

1142296188 is a wasteful number, since it uses less digits than its factorization.

1142296188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455498 (or 455496 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 1142296188 is about 33797.8725365961. The cubic root of 1142296188 is about 1045.3448303786.

The spelling of 1142296188 in words is "one billion, one hundred forty-two million, two hundred ninety-six thousand, one hundred eighty-eight".