45450213 has 4 divisors (see below), whose sum is σ = 60600288. Its totient is φ = 30300140.

The previous prime is 45450211. The next prime is 45450217. The reversal of 45450213 is 31205454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45450213 - 2¹ = 45450211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45450211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7575033 + ... + 7575038.

It is an arithmetic number, because the mean of its divisors is an integer number (15150072).

Almost surely, 2^45450213 is an apocalyptic number.

It is an amenable number.

45450213 is a deficient number, since it is larger than the sum of its proper divisors (15150075).

45450213 is a wasteful number, since it uses less digits than its factorization.

45450213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15150074.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45450213 is about 6741.6773135474. The cubic root of 45450213 is about 356.8715887451.

Adding to 45450213 its reverse (31205454), we get a palindrome (76655667).

The spelling of 45450213 in words is "forty-five million, four hundred fifty thousand, two hundred thirteen".