45272205 has 24 divisors (see below), whose sum is σ = 85606560. Its totient is φ = 21949920.

The previous prime is 45272189. The next prime is 45272237. The reversal of 45272205 is 50227254.

45272205 is a `hidden beast` number, since 452 + 7 + 2 + 205 = 666.

45272205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45272205 - 2⁴ = 45272189 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 45235 + ... + 46224.

It is an arithmetic number, because the mean of its divisors is an integer number (3566940).

Almost surely, 2^45272205 is an apocalyptic number.

45272205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45272205 is a deficient number, since it is larger than the sum of its proper divisors (40334355).

45272205 is a wasteful number, since it uses less digits than its factorization.

45272205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91481 (or 91478 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 45272205 is about 6728.4623057575. The cubic root of 45272205 is about 356.4050774519.

Adding to 45272205 its reverse (50227254), we get a palindrome (95499459).

The spelling of 45272205 in words is "forty-five million, two hundred seventy-two thousand, two hundred five".