1445345424040 has 64 divisors (see below), whose sum is σ = 3803035167360. Its totient is φ = 484022649600.

The previous prime is 1445345424011. The next prime is 1445345424091. The reversal of 1445345424040 is 404245435441.

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

It is a junction number, because it is equal to n+sod(n) for n = 1445345423984 and 1445345424002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60010611 + ... + 60034690.

It is an arithmetic number, because the mean of its divisors is an integer number (59422424490).

Almost surely, 2^{1445345424040} is an apocalyptic number.

1445345424040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445345424040 is an abundant number, since it is smaller than the sum of its proper divisors (2357689743320).

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

1445345424040 is a wasteful number, since it uses less digits than its factorization.

1445345424040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120045362 (or 120045358 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

The spelling of 1445345424040 in words is "one trillion, four hundred forty-five billion, three hundred forty-five million, four hundred twenty-four thousand, forty".