1142214544 has 20 divisors (see below), whose sum is σ = 2215322496. Its totient is φ = 570518432.

The previous prime is 1142214527. The next prime is 1142214551. The reversal of 1142214544 is 4454122411.

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, 20584 + ... + 52039.

Almost surely, 2^1142214544 is an apocalyptic number.

It is an amenable number.

1142214544 is a deficient number, since it is larger than the sum of its proper divisors (1073107952).

1142214544 is an equidigital number, since it uses as much as digits as its factorization.

1142214544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73614 (or 73608 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 1142214544 is about 33796.6646875102. The cubic root of 1142214544 is about 1045.3199249388.

Adding to 1142214544 its reverse (4454122411), we get a palindrome (5596336955).

The spelling of 1142214544 in words is "one billion, one hundred forty-two million, two hundred fourteen thousand, five hundred forty-four".