48572945 has 4 divisors (see below), whose sum is σ = 58287540. Its totient is φ = 38858352.

The previous prime is 48572933. The next prime is 48572969. The reversal of 48572945 is 54927584.

It is a happy number.

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 16265089 + 32307856 = 4033^2 + 5684^2 .

It is a cyclic number.

It is not a de Polignac number, because 48572945 - 2²⁰ = 47524369 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 48572896 and 48572905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4857290 + ... + 4857299.

It is an arithmetic number, because the mean of its divisors is an integer number (14571885).

Almost surely, 2^48572945 is an apocalyptic number.

It is an amenable number.

48572945 is a deficient number, since it is larger than the sum of its proper divisors (9714595).

48572945 is an equidigital number, since it uses as much as digits as its factorization.

48572945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714594.

The product of its digits is 403200, while the sum is 44.

The square root of 48572945 is about 6969.4293166657. The cubic root of 48572945 is about 364.8643894795.

The spelling of 48572945 in words is "forty-eight million, five hundred seventy-two thousand, nine hundred forty-five".