2457346645 has 8 divisors (see below), whose sum is σ = 3175648056. Its totient is φ = 1814655936.

The previous prime is 2457346621. The next prime is 2457346663. The reversal of 2457346645 is 5466437542.

It can be written as a sum of positive squares in 4 ways, for example, as 12439729 + 2444906916 = 3527^2 + 49446^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2457346645 - 2⁵ = 2457346613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2457346595 and 2457346604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18902602 + ... + 18902731.

It is an arithmetic number, because the mean of its divisors is an integer number (396956007).

Almost surely, 2^2457346645 is an apocalyptic number.

It is an amenable number.

2457346645 is a deficient number, since it is larger than the sum of its proper divisors (718301411).

2457346645 is a wasteful number, since it uses less digits than its factorization.

2457346645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37805351.

The product of its digits is 2419200, while the sum is 46.

The square root of 2457346645 is about 49571.6314538870. The cubic root of 2457346645 is about 1349.4458896507.

The spelling of 2457346645 in words is "two billion, four hundred fifty-seven million, three hundred forty-six thousand, six hundred forty-five".