1245435005345 has 32 divisors (see below), whose sum is σ = 1566191531520. Its totient is φ = 949756303360.

The previous prime is 1245435005329. The next prime is 1245435005359. The reversal of 1245435005345 is 5435005345421.

It is not a de Polignac number, because 1245435005345 - 2⁴ = 1245435005329 is a prime.

It is a super-2 number, since 2×1245435005345² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5604566 + ... + 5822544.

It is an arithmetic number, because the mean of its divisors is an integer number (48943485360).

Almost surely, 2^{1245435005345} is an apocalyptic number.

It is an amenable number.

1245435005345 is a deficient number, since it is larger than the sum of its proper divisors (320756526175).

1245435005345 is a wasteful number, since it uses less digits than its factorization.

1245435005345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218665.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 1245435005345 in words is "one trillion, two hundred forty-five billion, four hundred thirty-five million, five thousand, three hundred forty-five".