1344431142 has 32 divisors (see below), whose sum is σ = 3009448800. Its totient is φ = 444870144.

The previous prime is 1344431141. The next prime is 1344431147. The reversal of 1344431142 is 2411344431.

1344431142 is a `hidden beast` number, since 1 + 344 + 4 + 311 + 4 + 2 = 666.

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 (1344431141) 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, 83467 + ... + 98262.

It is an arithmetic number, because the mean of its divisors is an integer number (94045275).

Almost surely, 2^1344431142 is an apocalyptic number.

1344431142 is an abundant number, since it is smaller than the sum of its proper divisors (1665017658).

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

1344431142 is a wasteful number, since it uses less digits than its factorization.

1344431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181877 (or 181871 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1344431142 is about 36666.4852692483. The cubic root of 1344431142 is about 1103.6876627070.

Adding to 1344431142 its reverse (2411344431), we get a palindrome (3755775573).

The spelling of 1344431142 in words is "one billion, three hundred forty-four million, four hundred thirty-one thousand, one hundred forty-two".