143942597 has 2 divisors, whose sum is σ = 143942598. Its totient is φ = 143942596.

The previous prime is 143942593. The next prime is 143942609. The reversal of 143942597 is 795249341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100922116 + 43020481 = 10046^2 + 6559^2 .

It is a cyclic number.

It is not a de Polignac number, because 143942597 - 2² = 143942593 is a prime.

It is a super-2 number, since 2×143942597² = 41438942462208818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143942593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71971298 + 71971299.

It is an arithmetic number, because the mean of its divisors is an integer number (71971299).

Almost surely, 2^143942597 is an apocalyptic number.

It is an amenable number.

143942597 is a deficient number, since it is larger than the sum of its proper divisors (1).

143942597 is an equidigital number, since it uses as much as digits as its factorization.

143942597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 143942597 is about 11997.6079699247. The cubic root of 143942597 is about 524.0786221693.

The spelling of 143942597 in words is "one hundred forty-three million, nine hundred forty-two thousand, five hundred ninety-seven".