45221135 has 4 divisors (see below), whose sum is σ = 54265368. Its totient is φ = 36176904.

The previous prime is 45221117. The next prime is 45221149. The reversal of 45221135 is 53112254.

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 45221135 - 2¹⁶ = 45155599 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 45221135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4522109 + ... + 4522118.

It is an arithmetic number, because the mean of its divisors is an integer number (13566342).

Almost surely, 2^45221135 is an apocalyptic number.

45221135 is a deficient number, since it is larger than the sum of its proper divisors (9044233).

45221135 is an equidigital number, since it uses as much as digits as its factorization.

45221135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9044232.

The product of its digits is 1200, while the sum is 23.

The square root of 45221135 is about 6724.6661627177. Note that the first 3 decimals coincide. The cubic root of 45221135 is about 356.2710109697.

Adding to 45221135 its reverse (53112254), we get a palindrome (98333389).

The spelling of 45221135 in words is "forty-five million, two hundred twenty-one thousand, one hundred thirty-five".