48172845 has 16 divisors (see below), whose sum is σ = 88087680. Its totient is φ = 22021824.

The previous prime is 48172843. The next prime is 48172871. The reversal of 48172845 is 54827184.

It is a happy number.

It is not a de Polignac number, because 48172845 - 2¹ = 48172843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48172841) 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, 229290 + ... + 229499.

It is an arithmetic number, because the mean of its divisors is an integer number (5505480).

Almost surely, 2^48172845 is an apocalyptic number.

It is an amenable number.

48172845 is a deficient number, since it is larger than the sum of its proper divisors (39914835).

48172845 is a wasteful number, since it uses less digits than its factorization.

48172845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458804.

The product of its digits is 71680, while the sum is 39.

The square root of 48172845 is about 6940.6660343226. Note that the first 3 decimals coincide. The cubic root of 48172845 is about 363.8598185204.

The spelling of 48172845 in words is "forty-eight million, one hundred seventy-two thousand, eight hundred forty-five".