1142340044 has 12 divisors (see below), whose sum is σ = 2068029600. Its totient is φ = 551474448.

The previous prime is 1142340037. The next prime is 1142340061. The reversal of 1142340044 is 4400432411.

It is a happy number.

It is a super-2 number, since 2×1142340044² = 2609881552251843872, which contains 22 as substring.

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, 4923764 + ... + 4923995.

It is an arithmetic number, because the mean of its divisors is an integer number (172335800).

Almost surely, 2^1142340044 is an apocalyptic number.

It is an amenable number.

1142340044 is a deficient number, since it is larger than the sum of its proper divisors (925689556).

1142340044 is a wasteful number, since it uses less digits than its factorization.

1142340044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9847792 (or 9847790 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1142340044 is about 33798.5213286025. The cubic root of 1142340044 is about 1045.3582081279.

Adding to 1142340044 its reverse (4400432411), we get a palindrome (5542772455).

The spelling of 1142340044 in words is "one billion, one hundred forty-two million, three hundred forty thousand, forty-four".