143413261 has 2 divisors, whose sum is σ = 143413262. Its totient is φ = 143413260.

The previous prime is 143413243. The next prime is 143413279. The reversal of 143413261 is 162314341.

It is a balanced prime because it is at equal distance from previous prime (143413243) and next prime (143413279).

It can be written as a sum of positive squares in only one way, i.e., 141467236 + 1946025 = 11894^2 + 1395^2 .

It is a cyclic number.

It is not a de Polignac number, because 143413261 - 2¹⁵ = 143380493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143413661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71706630 + 71706631.

It is an arithmetic number, because the mean of its divisors is an integer number (71706631).

Almost surely, 2^143413261 is an apocalyptic number.

It is an amenable number.

143413261 is a deficient number, since it is larger than the sum of its proper divisors (1).

143413261 is an equidigital number, since it uses as much as digits as its factorization.

143413261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 143413261 is about 11975.5275875429. The cubic root of 143413261 is about 523.4354156911.

The spelling of 143413261 in words is "one hundred forty-three million, four hundred thirteen thousand, two hundred sixty-one".