1404244142 has 16 divisors (see below), whose sum is σ = 2413031040. Its totient is φ = 600380088.

The previous prime is 1404244141. The next prime is 1404244181. The reversal of 1404244142 is 2414424041.

It is a super-2 number, since 2×1404244142² = 3943803220682632328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404244141) 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, 113828 + ... + 125559.

It is an arithmetic number, because the mean of its divisors is an integer number (150814440).

Almost surely, 2^1404244142 is an apocalyptic number.

1404244142 is a deficient number, since it is larger than the sum of its proper divisors (1008786898).

1404244142 is a wasteful number, since it uses less digits than its factorization.

1404244142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239815.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1404244142 is about 37473.2456827534. The cubic root of 1404244142 is about 1119.8182480369.

Adding to 1404244142 its reverse (2414424041), we get a palindrome (3818668183).

The spelling of 1404244142 in words is "one billion, four hundred four million, two hundred forty-four thousand, one hundred forty-two".