2541516145 has 16 divisors (see below), whose sum is σ = 3486672000. Its totient is φ = 1742171904.

The previous prime is 2541516137. The next prime is 2541516203. The reversal of 2541516145 is 5416151452.

It is a cyclic number.

It is not a de Polignac number, because 2541516145 - 2³ = 2541516137 is a prime.

It is a super-2 number, since 2×2541516145² = 12918608630591322050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2541516145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112089 + ... + 132841.

It is an arithmetic number, because the mean of its divisors is an integer number (217917000).

Almost surely, 2^2541516145 is an apocalyptic number.

It is an amenable number.

2541516145 is a deficient number, since it is larger than the sum of its proper divisors (945155855).

2541516145 is a wasteful number, since it uses less digits than its factorization.

2541516145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24264.

The product of its digits is 24000, while the sum is 34.

The square root of 2541516145 is about 50413.4520242365. The cubic root of 2541516145 is about 1364.6804110760.

Adding to 2541516145 its reverse (5416151452), we get a palindrome (7957667597).

The spelling of 2541516145 in words is "two billion, five hundred forty-one million, five hundred sixteen thousand, one hundred forty-five".