45042241 has 8 divisors (see below), whose sum is σ = 46137224. Its totient is φ = 43960320.

The previous prime is 45042233. The next prime is 45042247. The reversal of 45042241 is 14224054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3168400 + 41873841 = 1780^2 + 6471^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45042241 - 2³ = 45042233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45042247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3901 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (5767153).

Almost surely, 2^45042241 is an apocalyptic number.

It is an amenable number.

45042241 is a deficient number, since it is larger than the sum of its proper divisors (1094983).

45042241 is an equidigital number, since it uses as much as digits as its factorization.

45042241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6531.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 45042241 is about 6711.3516522382. The cubic root of 45042241 is about 355.8005895178.

Adding to 45042241 its reverse (14224054), we get a palindrome (59266295).

The spelling of 45042241 in words is "forty-five million, forty-two thousand, two hundred forty-one".