1345253432534 has 16 divisors (see below), whose sum is σ = 2209102338240. Its totient is φ = 609318127560.

The previous prime is 1345253432531. The next prime is 1345253432563. The reversal of 1345253432534 is 4352343525431.

It is a super-2 number, since 2×1345253432534² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345253432531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108028904 + ... + 108041355.

It is an arithmetic number, because the mean of its divisors is an integer number (138068896140).

Almost surely, 2^{1345253432534} is an apocalyptic number.

1345253432534 is a deficient number, since it is larger than the sum of its proper divisors (863848905706).

1345253432534 is a wasteful number, since it uses less digits than its factorization.

1345253432534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216070555.

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

Adding to 1345253432534 its reverse (4352343525431), we get a palindrome (5697596957965).

The spelling of 1345253432534 in words is "one trillion, three hundred forty-five billion, two hundred fifty-three million, four hundred thirty-two thousand, five hundred thirty-four".