45621205 has 24 divisors (see below), whose sum is σ = 65889720. Its totient is φ = 30199680.

The previous prime is 45621203. The next prime is 45621209. The reversal of 45621205 is 50212654.

It can be written as a sum of positive squares in 4 ways, for example, as 2140369 + 43480836 = 1463^2 + 6594^2 .

It is not a de Polignac number, because 45621205 - 2¹ = 45621203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45621205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45621203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3895 + ... + 10315.

It is an arithmetic number, because the mean of its divisors is an integer number (2745405).

Almost surely, 2^45621205 is an apocalyptic number.

It is an amenable number.

45621205 is a deficient number, since it is larger than the sum of its proper divisors (20268515).

45621205 is a wasteful number, since it uses less digits than its factorization.

45621205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469 (or 6462 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 45621205 is about 6754.3471187081. The cubic root of 45621205 is about 357.3185673670.

Adding to 45621205 its reverse (50212654), we get a palindrome (95833859).

The spelling of 45621205 in words is "forty-five million, six hundred twenty-one thousand, two hundred five".