144131434 has 4 divisors (see below), whose sum is σ = 216197154. Its totient is φ = 72065716.

The previous prime is 144131417. The next prime is 144131443. The reversal of 144131434 is 434131441.

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

It can be written as a sum of positive squares in only one way, i.e., 134490409 + 9641025 = 11597^2 + 3105^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144131399 and 144131408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36032857 + ... + 36032860.

Almost surely, 2^144131434 is an apocalyptic number.

144131434 is a deficient number, since it is larger than the sum of its proper divisors (72065720).

144131434 is an equidigital number, since it uses as much as digits as its factorization.

144131434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72065719.

The product of its digits is 2304, while the sum is 25.

The square root of 144131434 is about 12005.4751676058. The cubic root of 144131434 is about 524.3077000357.

Adding to 144131434 its reverse (434131441), we get a palindrome (578262875).

The spelling of 144131434 in words is "one hundred forty-four million, one hundred thirty-one thousand, four hundred thirty-four".