48003145 has 4 divisors (see below), whose sum is σ = 57603780. Its totient is φ = 38402512.

The previous prime is 48003113. The next prime is 48003173. The reversal of 48003145 is 54130084.

48003145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 37711881 + 10291264 = 6141^2 + 3208^2 .

It is a cyclic number.

It is not a de Polignac number, because 48003145 - 2⁵ = 48003113 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 4800310 + ... + 4800319.

It is an arithmetic number, because the mean of its divisors is an integer number (14400945).

Almost surely, 2^48003145 is an apocalyptic number.

It is an amenable number.

48003145 is a deficient number, since it is larger than the sum of its proper divisors (9600635).

48003145 is an equidigital number, since it uses as much as digits as its factorization.

48003145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9600634.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 48003145 is about 6928.4301973824. The cubic root of 48003145 is about 363.4320556768.

The spelling of 48003145 in words is "forty-eight million, three thousand, one hundred forty-five".