1345434553500 has 192 divisors, whose sum is σ = 4089560057856. Its totient is φ = 343073280000.

The previous prime is 1345434553487. The next prime is 1345434553543. The reversal of 1345434553500 is 53554345431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 205375225 + ... + 205381775.

It is an arithmetic number, because the mean of its divisors is an integer number (21299791968).

Almost surely, 2^{1345434553500} is an apocalyptic number.

1345434553500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345434553500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044780028928).

1345434553500 is an abundant number, since it is smaller than the sum of its proper divisors (2744125504356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345434553500 is a wasteful number, since it uses less digits than its factorization.

1345434553500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12549 (or 12537 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 1345434553500 its reverse (53554345431), we get a palindrome (1398988898931).

The spelling of 1345434553500 in words is "one trillion, three hundred forty-five billion, four hundred thirty-four million, five hundred fifty-three thousand, five hundred".