2745266345 has 4 divisors (see below), whose sum is σ = 3294319620. Its totient is φ = 2196213072.

The previous prime is 2745266341. The next prime is 2745266389. The reversal of 2745266345 is 5436625472.

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 1387786009 + 1357480336 = 37253^2 + 36844^2 .

It is a cyclic number.

It is not a de Polignac number, because 2745266345 - 2² = 2745266341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2745266296 and 2745266305.

It is not an unprimeable number, because it can be changed into a prime (2745266341) 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, 274526630 + ... + 274526639.

It is an arithmetic number, because the mean of its divisors is an integer number (823579905).

Almost surely, 2^2745266345 is an apocalyptic number.

It is an amenable number.

2745266345 is a deficient number, since it is larger than the sum of its proper divisors (549053275).

2745266345 is an equidigital number, since it uses as much as digits as its factorization.

2745266345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549053274.

The product of its digits is 1209600, while the sum is 44.

The square root of 2745266345 is about 52395.2893397870. The cubic root of 2745266345 is about 1400.2153316744.

The spelling of 2745266345 in words is "two billion, seven hundred forty-five million, two hundred sixty-six thousand, three hundred forty-five".