45420241 has 4 divisors (see below), whose sum is σ = 47810800. Its totient is φ = 43029684.

The previous prime is 45420229. The next prime is 45420247. The reversal of 45420241 is 14202454.

It is a happy number.

45420241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 45420241 - 2¹⁵ = 45387473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45420247) 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 3 ways as a sum of consecutive naturals, for example, 1195251 + ... + 1195288.

It is an arithmetic number, because the mean of its divisors is an integer number (11952700).

Almost surely, 2^45420241 is an apocalyptic number.

It is an amenable number.

45420241 is a deficient number, since it is larger than the sum of its proper divisors (2390559).

45420241 is a wasteful number, since it uses less digits than its factorization.

45420241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390558.

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

The square root of 45420241 is about 6739.4540580080. The cubic root of 45420241 is about 356.7931255462.

Adding to 45420241 its reverse (14202454), we get a palindrome (59622695).

It can be divided in two parts, 4 and 5420241, that added together give a palindrome (5420245).

The spelling of 45420241 in words is "forty-five million, four hundred twenty thousand, two hundred forty-one".