2505340145 has 32 divisors (see below), whose sum is σ = 3753824256. Its totient is φ = 1559448000.

The previous prime is 2505340139. The next prime is 2505340213. The reversal of 2505340145 is 5410435052.

2505340145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2505340145 - 2⁴ = 2505340129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275420 + ... + 284370.

It is an arithmetic number, because the mean of its divisors is an integer number (117307008).

Almost surely, 2^2505340145 is an apocalyptic number.

It is an amenable number.

2505340145 is a deficient number, since it is larger than the sum of its proper divisors (1248484111).

2505340145 is a wasteful number, since it uses less digits than its factorization.

2505340145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9701.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2505340145 is about 50053.3729632679. The cubic root of 2505340145 is about 1358.1744799575.

Adding to 2505340145 its reverse (5410435052), we get a palindrome (7915775197).

The spelling of 2505340145 in words is "two billion, five hundred five million, three hundred forty thousand, one hundred forty-five".