1142053144 has 32 divisors (see below), whose sum is σ = 2213251200. Its totient is φ = 551900160.

The previous prime is 1142053097. The next prime is 1142053189. The reversal of 1142053144 is 4413502411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227914 + ... + 232870.

It is an arithmetic number, because the mean of its divisors is an integer number (69164100).

Almost surely, 2^1142053144 is an apocalyptic number.

It is an amenable number.

1142053144 is a deficient number, since it is larger than the sum of its proper divisors (1071198056).

1142053144 is a wasteful number, since it uses less digits than its factorization.

1142053144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923 (or 5919 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1142053144 is about 33794.2767935637. The cubic root of 1142053144 is about 1045.2706864999.

Adding to 1142053144 its reverse (4413502411), we get a palindrome (5555555555).

The spelling of 1142053144 in words is "one billion, one hundred forty-two million, fifty-three thousand, one hundred forty-four".