144045901 has 2 divisors, whose sum is σ = 144045902. Its totient is φ = 144045900.

The previous prime is 144045893. The next prime is 144045931. The reversal of 144045901 is 109540441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83283876 + 60762025 = 9126^2 + 7795^2 .

It is a cyclic number.

It is not a de Polignac number, because 144045901 - 2³ = 144045893 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144045901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144045931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72022950 + 72022951.

It is an arithmetic number, because the mean of its divisors is an integer number (72022951).

Almost surely, 2^144045901 is an apocalyptic number.

It is an amenable number.

144045901 is a deficient number, since it is larger than the sum of its proper divisors (1).

144045901 is an equidigital number, since it uses as much as digits as its factorization.

144045901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 144045901 is about 12001.9123892820. The cubic root of 144045901 is about 524.2039648934.

The spelling of 144045901 in words is "one hundred forty-four million, forty-five thousand, nine hundred one".