2538880145 has 4 divisors (see below), whose sum is σ = 3046656180. Its totient is φ = 2031104112.

The previous prime is 2538880133. The next prime is 2538880163. The reversal of 2538880145 is 5410888352.

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 1788613264 + 750266881 = 42292^2 + 27391^2 .

It is a cyclic number.

It is not a de Polignac number, because 2538880145 - 2¹² = 2538876049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2538880096 and 2538880105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253888010 + ... + 253888019.

It is an arithmetic number, because the mean of its divisors is an integer number (761664045).

Almost surely, 2^2538880145 is an apocalyptic number.

It is an amenable number.

2538880145 is a deficient number, since it is larger than the sum of its proper divisors (507776035).

2538880145 is an equidigital number, since it uses as much as digits as its factorization.

2538880145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507776034.

The product of its (nonzero) digits is 307200, while the sum is 44.

The square root of 2538880145 is about 50387.3014260538. The cubic root of 2538880145 is about 1364.2084431964.

The spelling of 2538880145 in words is "two billion, five hundred thirty-eight million, eight hundred eighty thousand, one hundred forty-five".