144572249 has 2 divisors, whose sum is σ = 144572250. Its totient is φ = 144572248.

The previous prime is 144572237. The next prime is 144572261. The reversal of 144572249 is 942275441.

It is a balanced prime because it is at equal distance from previous prime (144572237) and next prime (144572261).

It can be written as a sum of positive squares in only one way, i.e., 143880025 + 692224 = 11995^2 + 832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144572249 is a prime.

It is a super-2 number, since 2×144572249² = 41802270361836002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144572269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72286124 + 72286125.

It is an arithmetic number, because the mean of its divisors is an integer number (72286125).

Almost surely, 2^144572249 is an apocalyptic number.

It is an amenable number.

144572249 is a deficient number, since it is larger than the sum of its proper divisors (1).

144572249 is an equidigital number, since it uses as much as digits as its factorization.

144572249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 144572249 is about 12023.8200668506. The cubic root of 144572249 is about 524.8416744048.

The spelling of 144572249 in words is "one hundred forty-four million, five hundred seventy-two thousand, two hundred forty-nine".