1345253432345 has 16 divisors (see below), whose sum is σ = 1632544638480. Its totient is φ = 1064043915264.

The previous prime is 1345253432329. The next prime is 1345253432417. The reversal of 1345253432345 is 5432343525431.

It can be written as a sum of positive squares in 8 ways, for example, as 144451684624 + 1200801747721 = 380068^2 + 1095811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345253432345 - 2⁴ = 1345253432329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345253432296 and 1345253432305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7744769 + ... + 7916561.

It is an arithmetic number, because the mean of its divisors is an integer number (102034039905).

Almost surely, 2^{1345253432345} is an apocalyptic number.

It is an amenable number.

1345253432345 is a deficient number, since it is larger than the sum of its proper divisors (287291206135).

1345253432345 is a wasteful number, since it uses less digits than its factorization.

1345253432345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189484.

The product of its digits is 2592000, while the sum is 44.

Adding to 1345253432345 its reverse (5432343525431), we get a palindrome (6777596957776).

The spelling of 1345253432345 in words is "one trillion, three hundred forty-five billion, two hundred fifty-three million, four hundred thirty-two thousand, three hundred forty-five".