1142062564 has 12 divisors (see below), whose sum is σ = 2103799600. Its totient is φ = 540976968.

The previous prime is 1142062553. The next prime is 1142062573. The reversal of 1142062564 is 4652602411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7513494 + ... + 7513645.

Almost surely, 2^1142062564 is an apocalyptic number.

It is an amenable number.

1142062564 is a deficient number, since it is larger than the sum of its proper divisors (961737036).

1142062564 is a wasteful number, since it uses less digits than its factorization.

1142062564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15027162 (or 15027160 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1142062564 is about 33794.4161659881. The cubic root of 1142062564 is about 1045.2735603950.

Adding to 1142062564 its reverse (4652602411), we get a palindrome (5794664975).

It can be divided in two parts, 11420 and 62564, that added together give a square (73984 = 272²).

The spelling of 1142062564 in words is "one billion, one hundred forty-two million, sixty-two thousand, five hundred sixty-four".