144664254 has 48 divisors (see below), whose sum is σ = 379293408. Its totient is φ = 38900736.

The previous prime is 144664253. The next prime is 144664279. The reversal of 144664254 is 452466441.

144664254 is a `hidden beast` number, since 1 + 4 + 4 + 6 + 642 + 5 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144664253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31627 + ... + 35910.

It is an arithmetic number, because the mean of its divisors is an integer number (7901946).

Almost surely, 2^144664254 is an apocalyptic number.

144664254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144664254 is an abundant number, since it is smaller than the sum of its proper divisors (234629154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144664254 is a wasteful number, since it uses less digits than its factorization.

144664254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67569 (or 67566 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 144664254 is about 12027.6454054815. The cubic root of 144664254 is about 524.9529862662.

The spelling of 144664254 in words is "one hundred forty-four million, six hundred sixty-four thousand, two hundred fifty-four".