1142423264 has 48 divisors (see below), whose sum is σ = 2281144320. Its totient is φ = 563137920.

The previous prime is 1142423213. The next prime is 1142423297. The reversal of 1142423264 is 4623242411.

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, 892577 + ... + 893855.

It is an arithmetic number, because the mean of its divisors is an integer number (47523840).

Almost surely, 2^1142423264 is an apocalyptic number.

It is an amenable number.

1142423264 is a deficient number, since it is larger than the sum of its proper divisors (1138721056).

1142423264 is a wasteful number, since it uses less digits than its factorization.

1142423264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1655 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 1142423264 is about 33799.7524251288. The cubic root of 1142423264 is about 1045.3835924543.

Adding to 1142423264 its reverse (4623242411), we get a palindrome (5765665675).

The spelling of 1142423264 in words is "one billion, one hundred forty-two million, four hundred twenty-three thousand, two hundred sixty-four".