45010221 has 8 divisors (see below), whose sum is σ = 63172320. Its totient is φ = 28427472.

The previous prime is 45010219. The next prime is 45010223. The reversal of 45010221 is 12201054.

It is an interprime number because it is at equal distance from previous prime (45010219) and next prime (45010223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45010221 - 2¹ = 45010219 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45010223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394770 + ... + 394883.

It is an arithmetic number, because the mean of its divisors is an integer number (7896540).

Almost surely, 2^45010221 is an apocalyptic number.

It is an amenable number.

45010221 is a deficient number, since it is larger than the sum of its proper divisors (18162099).

45010221 is a wasteful number, since it uses less digits than its factorization.

45010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789675.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 45010221 is about 6708.9657176051. The cubic root of 45010221 is about 355.7162580448.

Adding to 45010221 its reverse (12201054), we get a palindrome (57211275).

The spelling of 45010221 in words is "forty-five million, ten thousand, two hundred twenty-one".