144572069 has 2 divisors, whose sum is σ = 144572070. Its totient is φ = 144572068.

The previous prime is 144572033. The next prime is 144572111. The reversal of 144572069 is 960275441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114211969 + 30360100 = 10687^2 + 5510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144572069 is a prime.

It is a super-2 number, since 2×144572069² = 41802166269881522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144572269) 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 as a sum of consecutive naturals, namely, 72286034 + 72286035.

It is an arithmetic number, because the mean of its divisors is an integer number (72286035).

Almost surely, 2^144572069 is an apocalyptic number.

It is an amenable number.

144572069 is a deficient number, since it is larger than the sum of its proper divisors (1).

144572069 is an equidigital number, since it uses as much as digits as its factorization.

144572069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 144572069 is about 12023.8125817064. The cubic root of 144572069 is about 524.8414565863.

The spelling of 144572069 in words is "one hundred forty-four million, five hundred seventy-two thousand, sixty-nine".