144434246 has 8 divisors (see below), whose sum is σ = 236346984. Its totient is φ = 65651920.

The previous prime is 144434237. The next prime is 144434249. The reversal of 144434246 is 642434441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144434246² = 41722502835177032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144434249) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3282575 + ... + 3282618.

It is an arithmetic number, because the mean of its divisors is an integer number (29543373).

Almost surely, 2^144434246 is an apocalyptic number.

144434246 is a deficient number, since it is larger than the sum of its proper divisors (91912738).

144434246 is a wasteful number, since it uses less digits than its factorization.

144434246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565206.

The product of its digits is 36864, while the sum is 32.

The square root of 144434246 is about 12018.0799631222. The cubic root of 144434246 is about 524.6746234792.

Adding to 144434246 its reverse (642434441), we get a palindrome (786868687).

The spelling of 144434246 in words is "one hundred forty-four million, four hundred thirty-four thousand, two hundred forty-six".