45021041 has 4 divisors (see below), whose sum is σ = 48484212. Its totient is φ = 41557872.

The previous prime is 45021037. The next prime is 45021059. The reversal of 45021041 is 14012054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22657600 + 22363441 = 4760^2 + 4729^2 .

It is a cyclic number.

It is not a de Polignac number, because 45021041 - 2² = 45021037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45021091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731566 + ... + 1731591.

It is an arithmetic number, because the mean of its divisors is an integer number (12121053).

Almost surely, 2^45021041 is an apocalyptic number.

It is an amenable number.

45021041 is a deficient number, since it is larger than the sum of its proper divisors (3463171).

45021041 is a wasteful number, since it uses less digits than its factorization.

45021041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463170.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 45021041 is about 6709.7720527601. The cubic root of 45021041 is about 355.7447592864.

Adding to 45021041 its reverse (14012054), we get a palindrome (59033095).

The spelling of 45021041 in words is "forty-five million, twenty-one thousand, forty-one".