45228905 has 16 divisors (see below), whose sum is σ = 55856064. Its totient is φ = 35138880.

The previous prime is 45228901. The next prime is 45228913. The reversal of 45228905 is 50982254.

It is a happy number.

It is not a de Polignac number, because 45228905 - 2² = 45228901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45228901) 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, 44867 + ... + 45863.

It is an arithmetic number, because the mean of its divisors is an integer number (3491004).

Almost surely, 2^45228905 is an apocalyptic number.

It is an amenable number.

45228905 is a deficient number, since it is larger than the sum of its proper divisors (10627159).

45228905 is a wasteful number, since it uses less digits than its factorization.

45228905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 45228905 is about 6725.2438617495. The cubic root of 45228905 is about 356.2914149041.

The spelling of 45228905 in words is "forty-five million, two hundred twenty-eight thousand, nine hundred five".