45213205 has 4 divisors (see below), whose sum is σ = 54255852. Its totient is φ = 36170560.

The previous prime is 45213199. The next prime is 45213227. The reversal of 45213205 is 50231254.

45213205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 22953681 + 22259524 = 4791^2 + 4718^2 .

It is not a de Polignac number, because 45213205 - 2³ = 45213197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521316 + ... + 4521325.

It is an arithmetic number, because the mean of its divisors is an integer number (13563963).

Almost surely, 2^45213205 is an apocalyptic number.

It is an amenable number.

45213205 is a deficient number, since it is larger than the sum of its proper divisors (9042647).

45213205 is an equidigital number, since it uses as much as digits as its factorization.

45213205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9042646.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45213205 is about 6724.0765165188. The cubic root of 45213205 is about 356.2501844669.

Adding to 45213205 its reverse (50231254), we get a palindrome (95444459).

It can be divided in two parts, 45213 and 205, that multiplied together give a triangular number (9268665 = T₄₃₀₅).

The spelling of 45213205 in words is "forty-five million, two hundred thirteen thousand, two hundred five".