1142611044 has 12 divisors (see below), whose sum is σ = 2666092464. Its totient is φ = 380870344.

The previous prime is 1142611039. The next prime is 1142611091. The reversal of 1142611044 is 4401162411.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47608782 + ... + 47608805.

It is an arithmetic number, because the mean of its divisors is an integer number (222174372).

Almost surely, 2^1142611044 is an apocalyptic number.

It is an amenable number.

1142611044 is an abundant number, since it is smaller than the sum of its proper divisors (1523481420).

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

1142611044 is a wasteful number, since it uses less digits than its factorization.

1142611044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95217594 (or 95217592 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1142611044 is about 33802.5301419879. The cubic root of 1142611044 is about 1045.4408658493.

Adding to 1142611044 its reverse (4401162411), we get a palindrome (5543773455).

The spelling of 1142611044 in words is "one billion, one hundred forty-two million, six hundred eleven thousand, forty-four".