1344432142 has 4 divisors (see below), whose sum is σ = 2016648216. Its totient is φ = 672216070.

The previous prime is 1344432137. The next prime is 1344432151. The reversal of 1344432142 is 2412344431.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1344432142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336108034 + ... + 336108037.

It is an arithmetic number, because the mean of its divisors is an integer number (504162054).

Almost surely, 2^1344432142 is an apocalyptic number.

1344432142 is a deficient number, since it is larger than the sum of its proper divisors (672216074).

1344432142 is an equidigital number, since it uses as much as digits as its factorization.

1344432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672216073.

The product of its digits is 9216, while the sum is 28.

The square root of 1344432142 is about 36666.4989056768. The cubic root of 1344432142 is about 1103.6879363512.

Adding to 1344432142 its reverse (2412344431), we get a palindrome (3756776573).

The spelling of 1344432142 in words is "one billion, three hundred forty-four million, four hundred thirty-two thousand, one hundred forty-two".