2545152345 has 12 divisors (see below), whose sum is σ = 4411597476. Its totient is φ = 1357414560.

The previous prime is 2545152283. The next prime is 2545152403. The reversal of 2545152345 is 5432515452.

It can be written as a sum of positive squares in 2 ways, for example, as 1686252096 + 858900249 = 41064^2 + 29307^2 .

It is not a de Polignac number, because 2545152345 - 2⁷ = 2545152217 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 28279426 + ... + 28279515.

It is an arithmetic number, because the mean of its divisors is an integer number (367633123).

Almost surely, 2^2545152345 is an apocalyptic number.

It is an amenable number.

2545152345 is a deficient number, since it is larger than the sum of its proper divisors (1866445131).

2545152345 is a wasteful number, since it uses less digits than its factorization.

2545152345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56558952 (or 56558949 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 2545152345 is about 50449.5029212380. The cubic root of 2545152345 is about 1365.3309264869.

Adding to 2545152345 its reverse (5432515452), we get a palindrome (7977667797).

The spelling of 2545152345 in words is "two billion, five hundred forty-five million, one hundred fifty-two thousand, three hundred forty-five".