45221115 has 8 divisors (see below), whose sum is σ = 72353808. Its totient is φ = 24117920.

The previous prime is 45221093. The next prime is 45221117. The reversal of 45221115 is 51112254.

45221115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45221115 - 2⁶ = 45221051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45221091 and 45221100.

It is not an unprimeable number, because it can be changed into a prime (45221117) 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 7 ways as a sum of consecutive naturals, for example, 1507356 + ... + 1507385.

It is an arithmetic number, because the mean of its divisors is an integer number (9044226).

Almost surely, 2^45221115 is an apocalyptic number.

45221115 is a deficient number, since it is larger than the sum of its proper divisors (27132693).

45221115 is a wasteful number, since it uses less digits than its factorization.

45221115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014749.

The product of its digits is 400, while the sum is 21.

The square root of 45221115 is about 6724.6646756548. The cubic root of 45221115 is about 356.2709584469.

Adding to 45221115 its reverse (51112254), we get a palindrome (96333369).

The spelling of 45221115 in words is "forty-five million, two hundred twenty-one thousand, one hundred fifteen".