1404244143 has 6 divisors (see below), whose sum is σ = 2028352664. Its totient is φ = 936162756.

The previous prime is 1404244141. The next prime is 1404244181. The reversal of 1404244143 is 3414424041.

1404244143 is a `hidden beast` number, since 1 + 404 + 244 + 14 + 3 = 666.

It is not a de Polignac number, because 1404244143 - 2¹ = 1404244141 is a prime.

It is a super-2 number, since 2×1404244143² = 3943803226299608898, which contains 22 as substring.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 78013555 + ... + 78013572.

Almost surely, 2^1404244143 is an apocalyptic number.

1404244143 is a deficient number, since it is larger than the sum of its proper divisors (624108521).

1404244143 is a wasteful number, since it uses less digits than its factorization.

1404244143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156027133 (or 156027130 counting only the distinct ones).

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

The square root of 1404244143 is about 37473.2456960963. The cubic root of 1404244143 is about 1119.8182483027.

Adding to 1404244143 its reverse (3414424041), we get a palindrome (4818668184).

It can be divided in two parts, 14042 and 44143, that added together give a palindrome (58185).

The spelling of 1404244143 in words is "one billion, four hundred four million, two hundred forty-four thousand, one hundred forty-three".