144331342 has 4 divisors (see below), whose sum is σ = 216497016. Its totient is φ = 72165670.

The previous prime is 144331331. The next prime is 144331399. The reversal of 144331342 is 243133441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243133441 = 1877 ⋅129533.

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, 36082834 + ... + 36082837.

It is an arithmetic number, because the mean of its divisors is an integer number (54124254).

Almost surely, 2^144331342 is an apocalyptic number.

144331342 is a deficient number, since it is larger than the sum of its proper divisors (72165674).

144331342 is an equidigital number, since it uses as much as digits as its factorization.

144331342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72165673.

The product of its digits is 3456, while the sum is 25.

The square root of 144331342 is about 12013.7979839849. The cubic root of 144331342 is about 524.5499901917.

Adding to 144331342 its reverse (243133441), we get a palindrome (387464783).

The spelling of 144331342 in words is "one hundred forty-four million, three hundred thirty-one thousand, three hundred forty-two".