2445051243 has 4 divisors (see below), whose sum is σ = 3260068328. Its totient is φ = 1630034160.

The previous prime is 2445051239. The next prime is 2445051253. The reversal of 2445051243 is 3421505442.

2445051243 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.

It is not a de Polignac number, because 2445051243 - 2² = 2445051239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2445051243.

It is not an unprimeable number, because it can be changed into a prime (2445051253) 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, 407508538 + ... + 407508543.

It is an arithmetic number, because the mean of its divisors is an integer number (815017082).

Almost surely, 2^2445051243 is an apocalyptic number.

2445051243 is a deficient number, since it is larger than the sum of its proper divisors (815017085).

2445051243 is an equidigital number, since it uses as much as digits as its factorization.

2445051243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815017084.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2445051243 is about 49447.4594190642. The cubic root of 2445051243 is about 1347.1914621343.

Adding to 2445051243 its reverse (3421505442), we get a palindrome (5866556685).

The spelling of 2445051243 in words is "two billion, four hundred forty-five million, fifty-one thousand, two hundred forty-three".