144472049 has 2 divisors, whose sum is σ = 144472050. Its totient is φ = 144472048.

The previous prime is 144472021. The next prime is 144472073. The reversal of 144472049 is 940274441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143832049 + 640000 = 11993^2 + 800^2 .

It is an emirp because it is prime and its reverse (940274441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144472049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144472079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72236024 + 72236025.

It is an arithmetic number, because the mean of its divisors is an integer number (72236025).

Almost surely, 2^144472049 is an apocalyptic number.

It is an amenable number.

144472049 is a deficient number, since it is larger than the sum of its proper divisors (1).

144472049 is an equidigital number, since it uses as much as digits as its factorization.

144472049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 144472049 is about 12019.6526156125. The cubic root of 144472049 is about 524.7203941215.

The spelling of 144472049 in words is "one hundred forty-four million, four hundred seventy-two thousand, forty-nine".