1345432342105 has 32 divisors (see below), whose sum is σ = 1657131848064. Its totient is φ = 1048094885376.

The previous prime is 1345432342063. The next prime is 1345432342109. The reversal of 1345432342105 is 5012432345431.

It is a cyclic number.

It is not a de Polignac number, because 1345432342105 - 2²¹ = 1345430244953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345432342109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125466274 + ... + 125476996.

It is an arithmetic number, because the mean of its divisors is an integer number (51785370252).

Almost surely, 2^{1345432342105} is an apocalyptic number.

It is an amenable number.

1345432342105 is a deficient number, since it is larger than the sum of its proper divisors (311699505959).

1345432342105 is a wasteful number, since it uses less digits than its factorization.

1345432342105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12505.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 1345432342105 its reverse (5012432345431), we get a palindrome (6357864687536).

The spelling of 1345432342105 in words is "one trillion, three hundred forty-five billion, four hundred thirty-two million, three hundred forty-two thousand, one hundred five".