2455445345 has 4 divisors (see below), whose sum is σ = 2946534420. Its totient is φ = 1964356272.

The previous prime is 2455445281. The next prime is 2455445347. The reversal of 2455445345 is 5435445542.

2455445345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5435445542 = 2 ⋅2717722771.

It can be written as a sum of positive squares in 2 ways, for example, as 265298944 + 2190146401 = 16288^2 + 46799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2455445345 - 2⁶ = 2455445281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2455445347) 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, 245544530 + ... + 245544539.

It is an arithmetic number, because the mean of its divisors is an integer number (736633605).

Almost surely, 2^2455445345 is an apocalyptic number.

It is an amenable number.

2455445345 is a deficient number, since it is larger than the sum of its proper divisors (491089075).

2455445345 is an equidigital number, since it uses as much as digits as its factorization.

2455445345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491089074.

The product of its digits is 960000, while the sum is 41.

The square root of 2455445345 is about 49552.4504439488. The cubic root of 2455445345 is about 1349.0977684401.

The spelling of 2455445345 in words is "two billion, four hundred fifty-five million, four hundred forty-five thousand, three hundred forty-five".