144668246 has 4 divisors (see below), whose sum is σ = 217002372. Its totient is φ = 72334122.

The previous prime is 144668239. The next prime is 144668257. The reversal of 144668246 is 642866441.

144668246 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.

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, 36167060 + ... + 36167063.

It is an arithmetic number, because the mean of its divisors is an integer number (54250593).

Almost surely, 2^144668246 is an apocalyptic number.

144668246 is a deficient number, since it is larger than the sum of its proper divisors (72334126).

144668246 is an equidigital number, since it uses as much as digits as its factorization.

144668246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72334125.

The product of its digits is 221184, while the sum is 41.

The square root of 144668246 is about 12027.8113553547. The cubic root of 144668246 is about 524.9578149022.

The spelling of 144668246 in words is "one hundred forty-four million, six hundred sixty-eight thousand, two hundred forty-six".