143964719 has 2 divisors, whose sum is σ = 143964720. Its totient is φ = 143964718.

The previous prime is 143964707. The next prime is 143964763. The reversal of 143964719 is 917469341.

143964719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (143964763) can be obtained adding 143964719 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143964719 - 2⁴ = 143964703 is a prime.

It is a super-2 number, since 2×143964719² = 41451680633497922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143964719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143964019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71982359 + 71982360.

It is an arithmetic number, because the mean of its divisors is an integer number (71982360).

Almost surely, 2^143964719 is an apocalyptic number.

143964719 is a deficient number, since it is larger than the sum of its proper divisors (1).

143964719 is an equidigital number, since it uses as much as digits as its factorization.

143964719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 143964719 is about 11998.5298682797. The cubic root of 143964719 is about 524.1054686892.

The spelling of 143964719 in words is "one hundred forty-three million, nine hundred sixty-four thousand, seven hundred nineteen".