1445303305340 has 24 divisors (see below), whose sum is σ = 3035213868960. Its totient is φ = 578106669248.

The previous prime is 1445303305321. The next prime is 1445303305343. The reversal of 1445303305340 is 435033035441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445303305340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445303305343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88775 + ... + 1702494.

It is an arithmetic number, because the mean of its divisors is an integer number (126467244540).

Almost surely, 2^{1445303305340} is an apocalyptic number.

1445303305340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445303305340 is an abundant number, since it is smaller than the sum of its proper divisors (1589910563620).

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

1445303305340 is a wasteful number, since it uses less digits than its factorization.

1445303305340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831621 (or 1831619 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

The spelling of 1445303305340 in words is "one trillion, four hundred forty-five billion, three hundred three million, three hundred five thousand, three hundred forty".