144572729 has 16 divisors (see below), whose sum is σ = 175564800. Its totient is φ = 116288784.

The previous prime is 144572719. The next prime is 144572731. The reversal of 144572729 is 927275441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144572729 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144572719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9152 + ... + 19310.

It is an arithmetic number, because the mean of its divisors is an integer number (10972800).

Almost surely, 2^144572729 is an apocalyptic number.

144572729 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

144572729 is a deficient number, since it is larger than the sum of its proper divisors (30992071).

144572729 is a wasteful number, since it uses less digits than its factorization.

144572729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10292.

The product of its digits is 141120, while the sum is 41.

The square root of 144572729 is about 12023.8400272126. The cubic root of 144572729 is about 524.8422552533.

The spelling of 144572729 in words is "one hundred forty-four million, five hundred seventy-two thousand, seven hundred twenty-nine".