2345279845 has 4 divisors (see below), whose sum is σ = 2814335820. Its totient is φ = 1876223872.

The previous prime is 2345279843. The next prime is 2345279879. The reversal of 2345279845 is 5489725432.

It is a happy number.

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 1145280964 + 1199998881 = 33842^2 + 34641^2 .

It is a cyclic number.

It is not a de Polignac number, because 2345279845 - 2¹ = 2345279843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345279843) 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, 234527980 + ... + 234527989.

It is an arithmetic number, because the mean of its divisors is an integer number (703583955).

Almost surely, 2^2345279845 is an apocalyptic number.

It is an amenable number.

2345279845 is a deficient number, since it is larger than the sum of its proper divisors (469055975).

2345279845 is an equidigital number, since it uses as much as digits as its factorization.

2345279845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469055974.

The product of its digits is 2419200, while the sum is 49.

The square root of 2345279845 is about 48428.0894213265. The cubic root of 2345279845 is about 1328.6121624667.

The spelling of 2345279845 in words is "two billion, three hundred forty-five million, two hundred seventy-nine thousand, eight hundred forty-five".