144829442 has 4 divisors (see below), whose sum is σ = 217244166. Its totient is φ = 72414720.

The previous prime is 144829441. The next prime is 144829453. The reversal of 144829442 is 244928441.

144829442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244928441 = 613 ⋅399557.

It can be written as a sum of positive squares in only one way, i.e., 142110241 + 2719201 = 11921^2 + 1649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144829396 and 144829405.

It is not an unprimeable number, because it can be changed into a prime (144829441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36207359 + ... + 36207362.

Almost surely, 2^144829442 is an apocalyptic number.

144829442 is a deficient number, since it is larger than the sum of its proper divisors (72414724).

144829442 is an equidigital number, since it uses as much as digits as its factorization.

144829442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72414723.

The product of its digits is 73728, while the sum is 38.

The square root of 144829442 is about 12034.5104595077. The cubic root of 144829442 is about 525.1527198937.

The spelling of 144829442 in words is "one hundred forty-four million, eight hundred twenty-nine thousand, four hundred forty-two".