143354461 has 2 divisors, whose sum is σ = 143354462. Its totient is φ = 143354460.

The previous prime is 143354413. The next prime is 143354503. The reversal of 143354461 is 164453341.

It is a happy number.

143354461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98128836 + 45225625 = 9906^2 + 6725^2 .

It is a cyclic number.

It is not a de Polignac number, because 143354461 - 2⁷ = 143354333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143354401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71677230 + 71677231.

It is an arithmetic number, because the mean of its divisors is an integer number (71677231).

Almost surely, 2^143354461 is an apocalyptic number.

It is an amenable number.

143354461 is a deficient number, since it is larger than the sum of its proper divisors (1).

143354461 is an equidigital number, since it uses as much as digits as its factorization.

143354461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 143354461 is about 11973.0723291894. The cubic root of 143354461 is about 523.3638690537.

The spelling of 143354461 in words is "one hundred forty-three million, three hundred fifty-four thousand, four hundred sixty-one".