45106213 has 2 divisors, whose sum is σ = 45106214. Its totient is φ = 45106212.

The previous prime is 45106207. The next prime is 45106241. The reversal of 45106213 is 31260154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41177889 + 3928324 = 6417^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 45106213 - 2⁵ = 45106181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45116213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22553106 + 22553107.

It is an arithmetic number, because the mean of its divisors is an integer number (22553107).

Almost surely, 2^45106213 is an apocalyptic number.

It is an amenable number.

45106213 is a deficient number, since it is larger than the sum of its proper divisors (1).

45106213 is an equidigital number, since it uses as much as digits as its factorization.

45106213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 45106213 is about 6716.1159162123. The cubic root of 45106213 is about 355.9689537585.

Adding to 45106213 its reverse (31260154), we get a palindrome (76366367).

The spelling of 45106213 in words is "forty-five million, one hundred six thousand, two hundred thirteen".