45515211 has 16 divisors (see below), whose sum is σ = 70495488. Its totient is φ = 25581600.

The previous prime is 45515201. The next prime is 45515219. The reversal of 45515211 is 11251554.

45515211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45515211 - 2⁷ = 45515083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45515219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16485 + ... + 19046.

It is an arithmetic number, because the mean of its divisors is an integer number (4405968).

Almost surely, 2^45515211 is an apocalyptic number.

45515211 is a deficient number, since it is larger than the sum of its proper divisors (24980277).

45515211 is a wasteful number, since it uses less digits than its factorization.

45515211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35602.

The product of its digits is 1000, while the sum is 24.

The square root of 45515211 is about 6746.4962017332. The cubic root of 45515211 is about 357.0416274851.

Adding to 45515211 its reverse (11251554), we get a palindrome (56766765).

The spelling of 45515211 in words is "forty-five million, five hundred fifteen thousand, two hundred eleven".