144331234 has 16 divisors (see below), whose sum is σ = 223284600. Its totient is φ = 69927040.

The previous prime is 144331223. The next prime is 144331249. The reversal of 144331234 is 432133441.

It can be written as a sum of positive squares in 4 ways, for example, as 49210225 + 95121009 = 7015^2 + 9753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144331199 and 144331208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6312 + ... + 18124.

Almost surely, 2^144331234 is an apocalyptic number.

144331234 is a deficient number, since it is larger than the sum of its proper divisors (78953366).

144331234 is a wasteful number, since it uses less digits than its factorization.

144331234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12005.

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

The square root of 144331234 is about 12013.7934891524. The cubic root of 144331234 is about 524.5498593552.

Adding to 144331234 its reverse (432133441), we get a palindrome (576464675).

The spelling of 144331234 in words is "one hundred forty-four million, three hundred thirty-one thousand, two hundred thirty-four".