1142000444 has 24 divisors (see below), whose sum is σ = 2221661568. Its totient is φ = 510073920.

The previous prime is 1142000437. The next prime is 1142000527. The reversal of 1142000444 is 4440002411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352607 + ... + 355830.

It is an arithmetic number, because the mean of its divisors is an integer number (92569232).

Almost surely, 2^1142000444 is an apocalyptic number.

It is an amenable number.

1142000444 is a deficient number, since it is larger than the sum of its proper divisors (1079661124).

1142000444 is a wasteful number, since it uses less digits than its factorization.

1142000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708485 (or 708483 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1142000444 is about 33793.4970667435. The cubic root of 1142000444 is about 1045.2546082602.

Adding to 1142000444 its reverse (4440002411), we get a palindrome (5582002855).

The spelling of 1142000444 in words is "one billion, one hundred forty-two million, four hundred forty-four", and thus it is an aban number.