143607131 has 2 divisors, whose sum is σ = 143607132. Its totient is φ = 143607130.

The previous prime is 143607119. The next prime is 143607151. The reversal of 143607131 is 131706341.

143607131 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143607131 is a prime.

It is a super-2 number, since 2×143607131² = 41246016148102322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143607131.

It is not a weakly prime, because it can be changed into another prime (143607151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71803565 + 71803566.

It is an arithmetic number, because the mean of its divisors is an integer number (71803566).

Almost surely, 2^143607131 is an apocalyptic number.

143607131 is a deficient number, since it is larger than the sum of its proper divisors (1).

143607131 is an equidigital number, since it uses as much as digits as its factorization.

143607131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 143607131 is about 11983.6192779978. The cubic root of 143607131 is about 523.6711742965.

The spelling of 143607131 in words is "one hundred forty-three million, six hundred seven thousand, one hundred thirty-one".