1144040143431 has 16 divisors (see below), whose sum is σ = 1541207606400. Its totient is φ = 754817674848.

The previous prime is 1144040143381. The next prime is 1144040143457. The reversal of 1144040143431 is 1343410404411.

It is not a de Polignac number, because 1144040143431 - 2¹⁵ = 1144040110663 is a prime.

It is a super-2 number, since 2×1144040143431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144040142431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4195101 + ... + 4459478.

It is an arithmetic number, because the mean of its divisors is an integer number (96325475400).

Almost surely, 2^{1144040143431} is an apocalyptic number.

1144040143431 is a deficient number, since it is larger than the sum of its proper divisors (397167462969).

1144040143431 is a wasteful number, since it uses less digits than its factorization.

1144040143431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8655038.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1144040143431 its reverse (1343410404411), we get a palindrome (2487450547842).

The spelling of 1144040143431 in words is "one trillion, one hundred forty-four billion, forty million, one hundred forty-three thousand, four hundred thirty-one".