1142130044 has 36 divisors (see below), whose sum is σ = 2279399640. Its totient is φ = 496568160.

The previous prime is 1142130043. The next prime is 1142130061. The reversal of 1142130044 is 4400312411.

It is a super-2 number, since 2×1142130044² = 2608922074814883872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142129998 and 1142130025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142130043) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1259 + ... + 47810.

Almost surely, 2^1142130044 is an apocalyptic number.

It is an amenable number.

1142130044 is a deficient number, since it is larger than the sum of its proper divisors (1137269596).

1142130044 is a wasteful number, since it uses less digits than its factorization.

1142130044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49130 (or 49105 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1142130044 is about 33795.4145410291. The cubic root of 1142130044 is about 1045.2941470286.

Adding to 1142130044 its reverse (4400312411), we get a palindrome (5542442455).

The spelling of 1142130044 in words is "one billion, one hundred forty-two million, one hundred thirty thousand, forty-four".