45240213 has 16 divisors (see below), whose sum is σ = 64592640. Its totient is φ = 28064256.

The previous prime is 45240211. The next prime is 45240259. The reversal of 45240213 is 31204254.

It is not a de Polignac number, because 45240213 - 2¹ = 45240211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45240213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45240211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445 + ... + 9522.

It is an arithmetic number, because the mean of its divisors is an integer number (4037040).

Almost surely, 2^45240213 is an apocalyptic number.

It is an amenable number.

45240213 is a deficient number, since it is larger than the sum of its proper divisors (19352427).

45240213 is a wasteful number, since it uses less digits than its factorization.

45240213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10076.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 45240213 is about 6726.0845222165. The cubic root of 45240213 is about 356.3211054129.

Adding to 45240213 its reverse (31204254), we get a palindrome (76444467).

The spelling of 45240213 in words is "forty-five million, two hundred forty thousand, two hundred thirteen".