144619417 has 2 divisors, whose sum is σ = 144619418. Its totient is φ = 144619416.

The previous prime is 144619399. The next prime is 144619427. The reversal of 144619417 is 714916441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102900736 + 41718681 = 10144^2 + 6459^2 .

It is a cyclic number.

It is not a de Polignac number, because 144619417 - 2¹⁹ = 144095129 is a prime.

It is not a weakly prime, because it can be changed into another prime (144619427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72309708 + 72309709.

It is an arithmetic number, because the mean of its divisors is an integer number (72309709).

Almost surely, 2^144619417 is an apocalyptic number.

It is an amenable number.

144619417 is a deficient number, since it is larger than the sum of its proper divisors (1).

144619417 is an equidigital number, since it uses as much as digits as its factorization.

144619417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 144619417 is about 12025.7813467566. The cubic root of 144619417 is about 524.8987463083.

The spelling of 144619417 in words is "one hundred forty-four million, six hundred nineteen thousand, four hundred seventeen".