45221535 has 24 divisors (see below), whose sum is σ = 78702624. Its totient is φ = 24020160.

The previous prime is 45221531. The next prime is 45221537. The reversal of 45221535 is 53512254.

It is a happy number.

45221535 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 45221535 - 2² = 45221531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45221499 and 45221508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45221531) 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 23 ways as a sum of consecutive naturals, for example, 9925 + ... + 13745.

It is an arithmetic number, because the mean of its divisors is an integer number (3279276).

Almost surely, 2^45221535 is an apocalyptic number.

45221535 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45221535 is a deficient number, since it is larger than the sum of its proper divisors (33481089).

45221535 is a wasteful number, since it uses less digits than its factorization.

45221535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095 (or 4092 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 45221535 is about 6724.6959039052. The cubic root of 45221535 is about 356.2720614223.

Adding to 45221535 its reverse (53512254), we get a palindrome (98733789).

The spelling of 45221535 in words is "forty-five million, two hundred twenty-one thousand, five hundred thirty-five".