143091373 has 2 divisors, whose sum is σ = 143091374. Its totient is φ = 143091372.

The previous prime is 143091367. The next prime is 143091427. The reversal of 143091373 is 373190341.

143091373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80317444 + 62773929 = 8962^2 + 7923^2 .

It is a cyclic number.

It is not a de Polignac number, because 143091373 - 2²⁵ = 109536941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143091323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71545686 + 71545687.

It is an arithmetic number, because the mean of its divisors is an integer number (71545687).

Almost surely, 2^143091373 is an apocalyptic number.

It is an amenable number.

143091373 is a deficient number, since it is larger than the sum of its proper divisors (1).

143091373 is an equidigital number, since it uses as much as digits as its factorization.

143091373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 143091373 is about 11962.0806300576. The cubic root of 143091373 is about 523.0435091340.

The spelling of 143091373 in words is "one hundred forty-three million, ninety-one thousand, three hundred seventy-three".