45122241 has 4 divisors (see below), whose sum is σ = 60162992. Its totient is φ = 30081492.

The previous prime is 45122237. The next prime is 45122243. The reversal of 45122241 is 14222154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45122241 - 2² = 45122237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45122243) 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, 7520371 + ... + 7520376.

It is an arithmetic number, because the mean of its divisors is an integer number (15040748).

Almost surely, 2^45122241 is an apocalyptic number.

It is an amenable number.

45122241 is a deficient number, since it is larger than the sum of its proper divisors (15040751).

45122241 is a wasteful number, since it uses less digits than its factorization.

45122241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040750.

The product of its digits is 640, while the sum is 21.

The square root of 45122241 is about 6717.3090594374. The cubic root of 45122241 is about 356.0111119917.

Adding to 45122241 its reverse (14222154), we get a palindrome (59344395).

The spelling of 45122241 in words is "forty-five million, one hundred twenty-two thousand, two hundred forty-one".