2541426145 has 4 divisors (see below), whose sum is σ = 3049711380. Its totient is φ = 2033140912.

The previous prime is 2541426143. The next prime is 2541426157. The reversal of 2541426145 is 5416241452.

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 684764224 + 1856661921 = 26168^2 + 43089^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541426145 - 2¹ = 2541426143 is a prime.

It is a super-2 number, since 2×2541426145² = 12917693700979122050, 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 2541426145.

It is not an unprimeable number, because it can be changed into a prime (2541426143) 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, 254142610 + ... + 254142619.

It is an arithmetic number, because the mean of its divisors is an integer number (762427845).

Almost surely, 2^2541426145 is an apocalyptic number.

It is an amenable number.

2541426145 is a deficient number, since it is larger than the sum of its proper divisors (508285235).

2541426145 is an equidigital number, since it uses as much as digits as its factorization.

2541426145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508285234.

The product of its digits is 38400, while the sum is 34.

The square root of 2541426145 is about 50412.5593974359. The cubic root of 2541426145 is about 1364.6643022287.

Adding to 2541426145 its reverse (5416241452), we get a palindrome (7957667597).

The spelling of 2541426145 in words is "two billion, five hundred forty-one million, four hundred twenty-six thousand, one hundred forty-five".