45266861 has 2 divisors, whose sum is σ = 45266862. Its totient is φ = 45266860.

The previous prime is 45266849. The next prime is 45266863. The reversal of 45266861 is 16866254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37393225 + 7873636 = 6115^2 + 2806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45266861 is a prime.

Together with 45266863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45266863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22633430 + 22633431.

It is an arithmetic number, because the mean of its divisors is an integer number (22633431).

Almost surely, 2^45266861 is an apocalyptic number.

It is an amenable number.

45266861 is a deficient number, since it is larger than the sum of its proper divisors (1).

45266861 is an equidigital number, since it uses as much as digits as its factorization.

45266861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 45266861 is about 6728.0651750708. The cubic root of 45266861 is about 356.3910533674.

The spelling of 45266861 in words is "forty-five million, two hundred sixty-six thousand, eight hundred sixty-one".