1142364564 has 36 divisors (see below), whose sum is σ = 3150157920. Its totient is φ = 346170960.

The previous prime is 1142364557. The next prime is 1142364593. The reversal of 1142364564 is 4654632411.

1142364564 is a `hidden beast` number, since 1 + 1 + 4 + 2 + 3 + 645 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1441984 + ... + 1442775.

Almost surely, 2^1142364564 is an apocalyptic number.

It is an amenable number.

1142364564 is an abundant number, since it is smaller than the sum of its proper divisors (2007793356).

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

1142364564 is a wasteful number, since it uses less digits than its factorization.

1142364564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884780 (or 2884775 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1142364564 is about 33798.8840644185. The cubic root of 1142364564 is about 1045.3656875120.

Adding to 1142364564 its reverse (4654632411), we get a palindrome (5796996975).

The spelling of 1142364564 in words is "one billion, one hundred forty-two million, three hundred sixty-four thousand, five hundred sixty-four".