144854866 has 16 divisors (see below), whose sum is σ = 235027800. Its totient is φ = 66561408.

The previous prime is 144854821. The next prime is 144854867. The reversal of 144854866 is 668458441.

It can be written as a sum of positive squares in 4 ways, for example, as 141110641 + 3744225 = 11879^2 + 1935^2 .

It is not an unprimeable number, because it can be changed into a prime (144854867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6211 + ... + 18118.

Almost surely, 2^144854866 is an apocalyptic number.

144854866 is a deficient number, since it is larger than the sum of its proper divisors (90172934).

144854866 is a wasteful number, since it uses less digits than its factorization.

144854866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24573.

The product of its digits is 737280, while the sum is 46.

The square root of 144854866 is about 12035.5667087180. The cubic root of 144854866 is about 525.1834473052.

The spelling of 144854866 in words is "one hundred forty-four million, eight hundred fifty-four thousand, eight hundred sixty-six".