1345445415204 has 144 divisors (see below), whose sum is σ = 3599960879424. Its totient is φ = 387825926400.

The previous prime is 1345445415169. The next prime is 1345445415233. The reversal of 1345445415204 is 4025145445431.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12585642 + ... + 12692094.

Almost surely, 2^{1345445415204} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345445415204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799980439712).

1345445415204 is an abundant number, since it is smaller than the sum of its proper divisors (2254515464220).

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

1345445415204 is a wasteful number, since it uses less digits than its factorization.

1345445415204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106698 (or 106673 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 1345445415204 in words is "one trillion, three hundred forty-five billion, four hundred forty-five million, four hundred fifteen thousand, two hundred four".