45130211 has 4 divisors (see below), whose sum is σ = 51577392. Its totient is φ = 38683032.

The previous prime is 45130207. The next prime is 45130219. The reversal of 45130211 is 11203154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45130211 - 2² = 45130207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45130211.

It is not an unprimeable number, because it can be changed into a prime (45130219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3223580 + ... + 3223593.

It is an arithmetic number, because the mean of its divisors is an integer number (12894348).

Almost surely, 2^45130211 is an apocalyptic number.

45130211 is a deficient number, since it is larger than the sum of its proper divisors (6447181).

45130211 is an equidigital number, since it uses as much as digits as its factorization.

45130211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447180.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 45130211 is about 6717.9022767528. The cubic root of 45130211 is about 356.0320716593.

Adding to 45130211 its reverse (11203154), we get a palindrome (56333365).

The spelling of 45130211 in words is "forty-five million, one hundred thirty thousand, two hundred eleven".