1445002155040 has 96 divisors (see below), whose sum is σ = 3510944015040. Its totient is φ = 561692673024.

The previous prime is 1445002155007. The next prime is 1445002155067. The reversal of 1445002155040 is 405512005441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1445002154993 and 1445002155011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822291 + ... + 1888429.

It is an arithmetic number, because the mean of its divisors is an integer number (36572333490).

Almost surely, 2^{1445002155040} is an apocalyptic number.

1445002155040 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 1445002155040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755472007520).

1445002155040 is an abundant number, since it is smaller than the sum of its proper divisors (2065941860000).

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

1445002155040 is a wasteful number, since it uses less digits than its factorization.

1445002155040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066394 (or 1066386 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 1445002155040 in words is "one trillion, four hundred forty-five billion, two million, one hundred fifty-five thousand, forty".