143461411 has 2 divisors, whose sum is σ = 143461412. Its totient is φ = 143461410.

The previous prime is 143461399. The next prime is 143461421. The reversal of 143461411 is 114164341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143461411 - 2⁵ = 143461379 is a prime.

It is a super-2 number, since 2×143461411² = 41162352892221842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143461421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71730705 + 71730706.

It is an arithmetic number, because the mean of its divisors is an integer number (71730706).

Almost surely, 2^143461411 is an apocalyptic number.

143461411 is a deficient number, since it is larger than the sum of its proper divisors (1).

143461411 is an equidigital number, since it uses as much as digits as its factorization.

143461411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

The square root of 143461411 is about 11977.5377686735. The cubic root of 143461411 is about 523.4939890638.

The spelling of 143461411 in words is "one hundred forty-three million, four hundred sixty-one thousand, four hundred eleven".