1142644052 has 24 divisors (see below), whose sum is σ = 2309731200. Its totient is φ = 488831360.

The previous prime is 1142644043. The next prime is 1142644073. The reversal of 1142644052 is 2504462411.

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, 763052 + ... + 764547.

It is an arithmetic number, because the mean of its divisors is an integer number (96238800).

Almost surely, 2^1142644052 is an apocalyptic number.

It is an amenable number.

1142644052 is an abundant number, since it is smaller than the sum of its proper divisors (1167087148).

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

1142644052 is a wasteful number, since it uses less digits than its factorization.

1142644052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527631 (or 1527629 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1142644052 is about 33803.0183859371. The cubic root of 1142644052 is about 1045.4509327278.

The spelling of 1142644052 in words is "one billion, one hundred forty-two million, six hundred forty-four thousand, fifty-two".