45142241 has 8 divisors (see below), whose sum is σ = 47130600. Its totient is φ = 43182720.

The previous prime is 45142219. The next prime is 45142243. The reversal of 45142241 is 14224154.

It can be written as a sum of positive squares in 4 ways, for example, as 640000 + 44502241 = 800^2 + 6671^2 .

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 45142241 - 2⁶ = 45142177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45142243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3980 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (5891325).

Almost surely, 2^45142241 is an apocalyptic number.

It is an amenable number.

45142241 is a deficient number, since it is larger than the sum of its proper divisors (1988359).

45142241 is a wasteful number, since it uses less digits than its factorization.

45142241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14419.

The product of its digits is 1280, while the sum is 23.

The square root of 45142241 is about 6718.7975858780. The cubic root of 45142241 is about 356.0637037243.

Adding to 45142241 its reverse (14224154), we get a palindrome (59366395).

The spelling of 45142241 in words is "forty-five million, one hundred forty-two thousand, two hundred forty-one".