144434617 has 2 divisors, whose sum is σ = 144434618. Its totient is φ = 144434616.

The previous prime is 144434551. The next prime is 144434627. The reversal of 144434617 is 716434441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143137296 + 1297321 = 11964^2 + 1139^2 .

It is a cyclic number.

It is not a de Polignac number, because 144434617 - 2¹¹ = 144432569 is a prime.

It is a super-2 number, since 2×144434617² = 41722717175873378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144434627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72217308 + 72217309.

It is an arithmetic number, because the mean of its divisors is an integer number (72217309).

Almost surely, 2^144434617 is an apocalyptic number.

It is an amenable number.

144434617 is a deficient number, since it is larger than the sum of its proper divisors (1).

144434617 is an equidigital number, since it uses as much as digits as its factorization.

144434617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 144434617 is about 12018.0953981902. The cubic root of 144434617 is about 524.6750727128.

The spelling of 144434617 in words is "one hundred forty-four million, four hundred thirty-four thousand, six hundred seventeen".