108345637 has 2 divisors, whose sum is σ = 108345638. Its totient is φ = 108345636.

The previous prime is 108345623. The next prime is 108345659. The reversal of 108345637 is 736543801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108180801 + 164836 = 10401^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 108345637 - 2¹¹ = 108343589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108345596 and 108345605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108345137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54172818 + 54172819.

It is an arithmetic number, because the mean of its divisors is an integer number (54172819).

Almost surely, 2^108345637 is an apocalyptic number.

It is an amenable number.

108345637 is a deficient number, since it is larger than the sum of its proper divisors (1).

108345637 is an equidigital number, since it uses as much as digits as its factorization.

108345637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 108345637 is about 10408.9210295784. The cubic root of 108345637 is about 476.7277973229.

It can be divided in two parts, 10834 and 5637, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 108345637 in words is "one hundred eight million, three hundred forty-five thousand, six hundred thirty-seven".