144663434 has 4 divisors (see below), whose sum is σ = 216995154. Its totient is φ = 72331716.

The previous prime is 144663433. The next prime is 144663461. The reversal of 144663434 is 434366441.

144663434 is digitally balanced in base 2, 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.

It can be written as a sum of positive squares in only one way, i.e., 123988225 + 20675209 = 11135^2 + 4547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144663394 and 144663403.

It is not an unprimeable number, because it can be changed into a prime (144663433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36165857 + ... + 36165860.

Almost surely, 2^144663434 is an apocalyptic number.

144663434 is a deficient number, since it is larger than the sum of its proper divisors (72331720).

144663434 is an equidigital number, since it uses as much as digits as its factorization.

144663434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72331719.

The product of its digits is 82944, while the sum is 35.

The square root of 144663434 is about 12027.6113172982. The cubic root of 144663434 is about 524.9519944012.

The spelling of 144663434 in words is "one hundred forty-four million, six hundred sixty-three thousand, four hundred thirty-four".