2552415145 has 24 divisors (see below), whose sum is σ = 3568579848. Its totient is φ = 1747468800.

The previous prime is 2552415127. The next prime is 2552415167. The reversal of 2552415145 is 5415142552.

It can be written as a sum of positive squares in 4 ways, for example, as 691269264 + 1861145881 = 26292^2 + 43141^2 .

It is not a de Polignac number, because 2552415145 - 2⁷ = 2552415017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2552415145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154065 + ... + 169825.

It is an arithmetic number, because the mean of its divisors is an integer number (148690827).

Almost surely, 2^2552415145 is an apocalyptic number.

It is an amenable number.

2552415145 is a deficient number, since it is larger than the sum of its proper divisors (1016164703).

2552415145 is a wasteful number, since it uses less digits than its factorization.

2552415145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16441 (or 16434 counting only the distinct ones).

The product of its digits is 40000, while the sum is 34.

The square root of 2552415145 is about 50521.4325311545. The cubic root of 2552415145 is about 1366.6283875523.

Adding to 2552415145 its reverse (5415142552), we get a palindrome (7967557697).

The spelling of 2552415145 in words is "two billion, five hundred fifty-two million, four hundred fifteen thousand, one hundred forty-five".