144346142 has 4 divisors (see below), whose sum is σ = 216519216. Its totient is φ = 72173070.

The previous prime is 144346127. The next prime is 144346159. The reversal of 144346142 is 241643441.

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

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, 36086534 + ... + 36086537.

It is an arithmetic number, because the mean of its divisors is an integer number (54129804).

Almost surely, 2^144346142 is an apocalyptic number.

144346142 is a deficient number, since it is larger than the sum of its proper divisors (72173074).

144346142 is an equidigital number, since it uses as much as digits as its factorization.

144346142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72173073.

The product of its digits is 9216, while the sum is 29.

The square root of 144346142 is about 12014.4139266133. The cubic root of 144346142 is about 524.5679190176.

Adding to 144346142 its reverse (241643441), we get a palindrome (385989583).

The spelling of 144346142 in words is "one hundred forty-four million, three hundred forty-six thousand, one hundred forty-two".