48819145 has 4 divisors (see below), whose sum is σ = 58582980. Its totient is φ = 39055312.

The previous prime is 48819143. The next prime is 48819191. The reversal of 48819145 is 54191884.

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 9217296 + 39601849 = 3036^2 + 6293^2 .

It is a cyclic number.

It is not a de Polignac number, because 48819145 - 2¹ = 48819143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48819098 and 48819107.

It is not an unprimeable number, because it can be changed into a prime (48819143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4881910 + ... + 4881919.

It is an arithmetic number, because the mean of its divisors is an integer number (14645745).

Almost surely, 2^48819145 is an apocalyptic number.

It is an amenable number.

48819145 is a deficient number, since it is larger than the sum of its proper divisors (9763835).

48819145 is an equidigital number, since it uses as much as digits as its factorization.

48819145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9763834.

The product of its digits is 46080, while the sum is 40.

The square root of 48819145 is about 6987.0698436469. The cubic root of 48819145 is about 365.4798093499.

The spelling of 48819145 in words is "forty-eight million, eight hundred nineteen thousand, one hundred forty-five".