143359949 has 2 divisors, whose sum is σ = 143359950. Its totient is φ = 143359948.

The previous prime is 143359913. The next prime is 143359973. The reversal of 143359949 is 949953341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119202724 + 24157225 = 10918^2 + 4915^2 .

It is a cyclic number.

It is not a de Polignac number, because 143359949 - 2¹² = 143355853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143359999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71679974 + 71679975.

It is an arithmetic number, because the mean of its divisors is an integer number (71679975).

Almost surely, 2^143359949 is an apocalyptic number.

It is an amenable number.

143359949 is a deficient number, since it is larger than the sum of its proper divisors (1).

143359949 is an equidigital number, since it uses as much as digits as its factorization.

143359949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 47.

The square root of 143359949 is about 11973.3015079384. The cubic root of 143359949 is about 523.3705475675.

The spelling of 143359949 in words is "one hundred forty-three million, three hundred fifty-nine thousand, nine hundred forty-nine".