1304444142 has 16 divisors (see below), whose sum is σ = 2898764880. Its totient is φ = 434814696.

The previous prime is 1304444131. The next prime is 1304444147. The reversal of 1304444142 is 2414444031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304444147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12078133 + ... + 12078240.

It is an arithmetic number, because the mean of its divisors is an integer number (181172805).

Almost surely, 2^1304444142 is an apocalyptic number.

1304444142 is an abundant number, since it is smaller than the sum of its proper divisors (1594320738).

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

1304444142 is a wasteful number, since it uses less digits than its factorization.

1304444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24156384 (or 24156378 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1304444142 is about 36117.0893345519. The cubic root of 1304444142 is about 1092.6351364935.

Adding to 1304444142 its reverse (2414444031), we get a palindrome (3718888173).

The spelling of 1304444142 in words is "one billion, three hundred four million, four hundred forty-four thousand, one hundred forty-two".