1245604236243 has 8 divisors (see below), whose sum is σ = 1748216472000. Its totient is φ = 786697412328.

The previous prime is 1245604236169. The next prime is 1245604236269. The reversal of 1245604236243 is 3426324065421.

It is a happy number.

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

It is not a de Polignac number, because 1245604236243 - 2²¹ = 1245602139091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245604236195 and 1245604236204.

It is not an unprimeable number, because it can be changed into a prime (1245604234243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10926352893 + ... + 10926353006.

It is an arithmetic number, because the mean of its divisors is an integer number (218527059000).

Almost surely, 2^{1245604236243} is an apocalyptic number.

1245604236243 is a deficient number, since it is larger than the sum of its proper divisors (502612235757).

1245604236243 is a wasteful number, since it uses less digits than its factorization.

1245604236243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21852705921.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 1245604236243 in words is "one trillion, two hundred forty-five billion, six hundred four million, two hundred thirty-six thousand, two hundred forty-three".