45404201 has 4 divisors (see below), whose sum is σ = 45420372. Its totient is φ = 45388032.

The previous prime is 45404123. The next prime is 45404213. The reversal of 45404201 is 10240454.

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 23088025 + 22316176 = 4805^2 + 4724^2 .

It is a cyclic number.

It is not a de Polignac number, because 45404201 - 2¹⁰ = 45403177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45404221) 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 3 ways as a sum of consecutive naturals, for example, 2660 + ... + 9893.

It is an arithmetic number, because the mean of its divisors is an integer number (11355093).

Almost surely, 2^45404201 is an apocalyptic number.

It is an amenable number.

45404201 is a deficient number, since it is larger than the sum of its proper divisors (16171).

45404201 is a wasteful number, since it uses less digits than its factorization.

45404201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 45404201 is about 6738.2639455575. The cubic root of 45404201 is about 356.7511205178.

Adding to 45404201 its reverse (10240454), we get a palindrome (55644655).

The spelling of 45404201 in words is "forty-five million, four hundred four thousand, two hundred one".