144086893 has 2 divisors, whose sum is σ = 144086894. Its totient is φ = 144086892.

The previous prime is 144086879. The next prime is 144086897. The reversal of 144086893 is 398680441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144072009 + 14884 = 12003^2 + 122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144086893 is a prime.

It is a super-2 number, since 2×144086893² = 41522065468786898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144086897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72043446 + 72043447.

It is an arithmetic number, because the mean of its divisors is an integer number (72043447).

Almost surely, 2^144086893 is an apocalyptic number.

It is an amenable number.

144086893 is a deficient number, since it is larger than the sum of its proper divisors (1).

144086893 is an equidigital number, since it uses as much as digits as its factorization.

144086893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 144086893 is about 12003.6199956513. The cubic root of 144086893 is about 524.2536854587.

The spelling of 144086893 in words is "one hundred forty-four million, eighty-six thousand, eight hundred ninety-three".