143455049 has 2 divisors, whose sum is σ = 143455050. Its totient is φ = 143455048.

The previous prime is 143455043. The next prime is 143455063. The reversal of 143455049 is 940554341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143041600 + 413449 = 11960^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 143455049 - 2²⁴ = 126677833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143455043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71727524 + 71727525.

It is an arithmetic number, because the mean of its divisors is an integer number (71727525).

Almost surely, 2^143455049 is an apocalyptic number.

It is an amenable number.

143455049 is a deficient number, since it is larger than the sum of its proper divisors (1).

143455049 is an equidigital number, since it uses as much as digits as its factorization.

143455049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 143455049 is about 11977.2721852682. The cubic root of 143455049 is about 523.4862505880.

The spelling of 143455049 in words is "one hundred forty-three million, four hundred fifty-five thousand, forty-nine".