2545288141 has 4 divisors (see below), whose sum is σ = 2776677984. Its totient is φ = 2313898300.

The previous prime is 2545288129. The next prime is 2545288157. The reversal of 2545288141 is 1418825452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2545288141 - 2⁹ = 2545287629 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2545288094 and 2545288103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545288111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115694905 + ... + 115694926.

It is an arithmetic number, because the mean of its divisors is an integer number (694169496).

Almost surely, 2^2545288141 is an apocalyptic number.

It is an amenable number.

2545288141 is a deficient number, since it is larger than the sum of its proper divisors (231389843).

2545288141 is a wasteful number, since it uses less digits than its factorization.

2545288141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231389842.

The product of its digits is 102400, while the sum is 40.

The square root of 2545288141 is about 50450.8487639207. The cubic root of 2545288141 is about 1365.3552083577.

The spelling of 2545288141 in words is "two billion, five hundred forty-five million, two hundred eighty-eight thousand, one hundred forty-one".