45378211 has 2 divisors, whose sum is σ = 45378212. Its totient is φ = 45378210.

The previous prime is 45378199. The next prime is 45378217. The reversal of 45378211 is 11287354.

45378211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45378211 - 2²¹ = 43281059 is a prime.

It is not a weakly prime, because it can be changed into another prime (45378217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22689105 + 22689106.

It is an arithmetic number, because the mean of its divisors is an integer number (22689106).

Almost surely, 2^45378211 is an apocalyptic number.

45378211 is a deficient number, since it is larger than the sum of its proper divisors (1).

45378211 is an equidigital number, since it uses as much as digits as its factorization.

45378211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 31.

The square root of 45378211 is about 6736.3351312119. The cubic root of 45378211 is about 356.6830377478.

The spelling of 45378211 in words is "forty-five million, three hundred seventy-eight thousand, two hundred eleven".