2645743158 has 12 divisors (see below), whose sum is σ = 5732443548. Its totient is φ = 881914380.

The previous prime is 2645743073. The next prime is 2645743159. The reversal of 2645743158 is 8513475462.

2645743158 is a `hidden beast` number, since 2 + 6 + 457 + 43 + 158 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645743159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73492848 + ... + 73492883.

It is an arithmetic number, because the mean of its divisors is an integer number (477703629).

Almost surely, 2^2645743158 is an apocalyptic number.

2645743158 is an abundant number, since it is smaller than the sum of its proper divisors (3086700390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2645743158 is a wasteful number, since it uses less digits than its factorization.

2645743158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146985739 (or 146985736 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 2645743158 is about 51436.7879829213. The cubic root of 2645743158 is about 1383.0861335739.

The spelling of 2645743158 in words is "two billion, six hundred forty-five million, seven hundred forty-three thousand, one hundred fifty-eight".