45838213 has 2 divisors, whose sum is σ = 45838214. Its totient is φ = 45838212.

The previous prime is 45838201. The next prime is 45838229. The reversal of 45838213 is 31283854.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45724644 + 113569 = 6762^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 45838213 - 2¹³ = 45830021 is a prime.

It is a super-2 number, since 2×45838213² = 4202283542066738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45838283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22919106 + 22919107.

It is an arithmetic number, because the mean of its divisors is an integer number (22919107).

Almost surely, 2^45838213 is an apocalyptic number.

It is an amenable number.

45838213 is a deficient number, since it is larger than the sum of its proper divisors (1).

45838213 is an equidigital number, since it uses as much as digits as its factorization.

45838213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 45838213 is about 6770.3923815389. The cubic root of 45838213 is about 357.8842280374.

The spelling of 45838213 in words is "forty-five million, eight hundred thirty-eight thousand, two hundred thirteen".