845214737 has 2 divisors, whose sum is σ = 845214738. Its totient is φ = 845214736.

The previous prime is 845214697. The next prime is 845214739. The reversal of 845214737 is 737412548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 838160401 + 7054336 = 28951^2 + 2656^2 .

It is a cyclic number.

It is not a de Polignac number, because 845214737 - 2⁶ = 845214673 is a prime.

Together with 845214739, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 845214694 and 845214703.

It is not a weakly prime, because it can be changed into another prime (845214739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422607368 + 422607369.

It is an arithmetic number, because the mean of its divisors is an integer number (422607369).

Almost surely, 2^845214737 is an apocalyptic number.

It is an amenable number.

845214737 is a deficient number, since it is larger than the sum of its proper divisors (1).

845214737 is an equidigital number, since it uses as much as digits as its factorization.

845214737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 41.

The square root of 845214737 is about 29072.5770615541. The cubic root of 845214737 is about 945.4872721960.

The spelling of 845214737 in words is "eight hundred forty-five million, two hundred fourteen thousand, seven hundred thirty-seven".