45515201 has 2 divisors, whose sum is σ = 45515202. Its totient is φ = 45515200.

The previous prime is 45515191. The next prime is 45515219. The reversal of 45515201 is 10251554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42706225 + 2808976 = 6535^2 + 1676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45515201 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45515251) 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 as a sum of consecutive naturals, namely, 22757600 + 22757601.

It is an arithmetic number, because the mean of its divisors is an integer number (22757601).

Almost surely, 2^45515201 is an apocalyptic number.

It is an amenable number.

45515201 is a deficient number, since it is larger than the sum of its proper divisors (1).

45515201 is an equidigital number, since it uses as much as digits as its factorization.

45515201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 45515201 is about 6746.4954606077. The cubic root of 45515201 is about 357.0416013370.

Adding to 45515201 its reverse (10251554), we get a palindrome (55766755).

The spelling of 45515201 in words is "forty-five million, five hundred fifteen thousand, two hundred one".