845104037 has 2 divisors, whose sum is σ = 845104038. Its totient is φ = 845104036.

The previous prime is 845103977. The next prime is 845104049. The reversal of 845104037 is 730401548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 675948001 + 169156036 = 25999^2 + 13006^2 .

It is a cyclic number.

It is not a de Polignac number, because 845104037 - 2⁸ = 845103781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 845103994 and 845104012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (845107037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422552018 + 422552019.

It is an arithmetic number, because the mean of its divisors is an integer number (422552019).

Almost surely, 2^845104037 is an apocalyptic number.

It is an amenable number.

845104037 is a deficient number, since it is larger than the sum of its proper divisors (1).

845104037 is an equidigital number, since it uses as much as digits as its factorization.

845104037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 845104037 is about 29070.6731432212. The cubic root of 845104037 is about 945.4459927411.

The spelling of 845104037 in words is "eight hundred forty-five million, one hundred four thousand, thirty-seven".