144520566 has 16 divisors (see below), whose sum is σ = 290496000. Its totient is φ = 47931048.

The previous prime is 144520547. The next prime is 144520573. The reversal of 144520566 is 665025441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59326 + ... + 61713.

It is an arithmetic number, because the mean of its divisors is an integer number (18156000).

Almost surely, 2^144520566 is an apocalyptic number.

144520566 is an abundant number, since it is smaller than the sum of its proper divisors (145975434).

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

144520566 is a wasteful number, since it uses less digits than its factorization.

144520566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121243.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 144520566 is about 12021.6706825632. The cubic root of 144520566 is about 524.7791252285.

It can be divided in two parts, 144 and 520566, that added together give a triangular number (520710 = T₁₀₂₀).

The spelling of 144520566 in words is "one hundred forty-four million, five hundred twenty thousand, five hundred sixty-six".