1345452504520 has 64 divisors (see below), whose sum is σ = 3034411891200. Its totient is φ = 536911626240.

The previous prime is 1345452504497. The next prime is 1345452504527. The reversal of 1345452504520 is 254052545431.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1345452504527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95543880 + ... + 95557960.

It is an arithmetic number, because the mean of its divisors is an integer number (47412685800).

Almost surely, 2^{1345452504520} is an apocalyptic number.

1345452504520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345452504520 is an abundant number, since it is smaller than the sum of its proper divisors (1688959386680).

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

1345452504520 is a wasteful number, since it uses less digits than its factorization.

1345452504520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19558 (or 19554 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 1345452504520 in words is "one trillion, three hundred forty-five billion, four hundred fifty-two million, five hundred four thousand, five hundred twenty".