143145733 has 2 divisors, whose sum is σ = 143145734. Its totient is φ = 143145732.

The previous prime is 143145689. The next prime is 143145757. The reversal of 143145733 is 337541341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134954689 + 8191044 = 11617^2 + 2862^2 .

It is a cyclic number.

It is not a de Polignac number, because 143145733 - 2¹³ = 143137541 is a prime.

It is a super-2 number, since 2×143145733² = 40981401752214578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143145695 and 143145704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143145533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71572866 + 71572867.

It is an arithmetic number, because the mean of its divisors is an integer number (71572867).

Almost surely, 2^143145733 is an apocalyptic number.

It is an amenable number.

143145733 is a deficient number, since it is larger than the sum of its proper divisors (1).

143145733 is an equidigital number, since it uses as much as digits as its factorization.

143145733 is an evil number, because the sum of its binary digits is even.

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

The square root of 143145733 is about 11964.3525942694. The cubic root of 143145733 is about 523.1097349887.

The spelling of 143145733 in words is "one hundred forty-three million, one hundred forty-five thousand, seven hundred thirty-three".