143112149 has 2 divisors, whose sum is σ = 143112150. Its totient is φ = 143112148.

The previous prime is 143112121. The next prime is 143112197. The reversal of 143112149 is 941211341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84971524 + 58140625 = 9218^2 + 7625^2 .

It is a cyclic number.

It is not a de Polignac number, because 143112149 - 2²⁰ = 142063573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143111149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71556074 + 71556075.

It is an arithmetic number, because the mean of its divisors is an integer number (71556075).

Almost surely, 2^143112149 is an apocalyptic number.

It is an amenable number.

143112149 is a deficient number, since it is larger than the sum of its proper divisors (1).

143112149 is an equidigital number, since it uses as much as digits as its factorization.

143112149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 143112149 is about 11962.9490093371. The cubic root of 143112149 is about 523.0688221579.

The spelling of 143112149 in words is "one hundred forty-three million, one hundred twelve thousand, one hundred forty-nine".