1142402244 has 48 divisors (see below), whose sum is σ = 2839390848. Its totient is φ = 356243968.

The previous prime is 1142402167. The next prime is 1142402263. The reversal of 1142402244 is 4422042411.

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 15 ways as a sum of consecutive naturals, for example, 17302 + ... + 50834.

It is an arithmetic number, because the mean of its divisors is an integer number (59153976).

Almost surely, 2^1142402244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142402244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419695424).

1142402244 is an abundant number, since it is smaller than the sum of its proper divisors (1696988604).

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

1142402244 is a wasteful number, since it uses less digits than its factorization.

1142402244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33724 (or 33722 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1142402244 is about 33799.4414746753. The cubic root of 1142402244 is about 1045.3771809083.

Adding to 1142402244 its reverse (4422042411), we get a palindrome (5564444655).

The spelling of 1142402244 in words is "one billion, one hundred forty-two million, four hundred two thousand, two hundred forty-four".