616230143 has 2 divisors, whose sum is σ = 616230144. Its totient is φ = 616230142.

The previous prime is 616230133. The next prime is 616230169. The reversal of 616230143 is 341032616.

It is an a-pointer prime, because the next prime (616230169) can be obtained adding 616230143 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616230143 - 2²² = 612035839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616230133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308115071 + 308115072.

It is an arithmetic number, because the mean of its divisors is an integer number (308115072).

Almost surely, 2^616230143 is an apocalyptic number.

616230143 is a deficient number, since it is larger than the sum of its proper divisors (1).

616230143 is an equidigital number, since it uses as much as digits as its factorization.

616230143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 616230143 is about 24823.9832218764. The cubic root of 616230143 is about 850.9701232674.

Adding to 616230143 its reverse (341032616), we get a palindrome (957262759).

The spelling of 616230143 in words is "six hundred sixteen million, two hundred thirty thousand, one hundred forty-three".