45161211 has 4 divisors (see below), whose sum is σ = 60214952. Its totient is φ = 30107472.

The previous prime is 45161209. The next prime is 45161227. The reversal of 45161211 is 11216154.

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

It is not a de Polignac number, because 45161211 - 2¹ = 45161209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45161251) 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, 7526866 + ... + 7526871.

It is an arithmetic number, because the mean of its divisors is an integer number (15053738).

Almost surely, 2^45161211 is an apocalyptic number.

45161211 is a deficient number, since it is larger than the sum of its proper divisors (15053741).

45161211 is a wasteful number, since it uses less digits than its factorization.

45161211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15053740.

The product of its digits is 240, while the sum is 21.

The square root of 45161211 is about 6720.2091485310. The cubic root of 45161211 is about 356.1135726305.

Adding to 45161211 its reverse (11216154), we get a palindrome (56377365).

The spelling of 45161211 in words is "forty-five million, one hundred sixty-one thousand, two hundred eleven".