143541373 has 2 divisors, whose sum is σ = 143541374. Its totient is φ = 143541372.

The previous prime is 143541361. The next prime is 143541379. The reversal of 143541373 is 373145341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131721529 + 11819844 = 11477^2 + 3438^2 .

It is a cyclic number.

It is not a de Polignac number, because 143541373 - 2²¹ = 141444221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143541379) 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, 71770686 + 71770687.

It is an arithmetic number, because the mean of its divisors is an integer number (71770687).

Almost surely, 2^143541373 is an apocalyptic number.

It is an amenable number.

143541373 is a deficient number, since it is larger than the sum of its proper divisors (1).

143541373 is an equidigital number, since it uses as much as digits as its factorization.

143541373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 143541373 is about 11980.8753019135. The cubic root of 143541373 is about 523.5912320583.

The spelling of 143541373 in words is "one hundred forty-three million, five hundred forty-one thousand, three hundred seventy-three".