1445874920159 has 4 divisors (see below), whose sum is σ = 1447745393016. Its totient is φ = 1444004447304.

The previous prime is 1445874920117. The next prime is 1445874920173. The reversal of 1445874920159 is 9510294785441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1445874920159 - 2⁴⁰ = 346363292383 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1445874920098 and 1445874920107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445874920459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935235269 + ... + 935236814.

It is an arithmetic number, because the mean of its divisors is an integer number (361936348254).

Almost surely, 2^{1445874920159} is an apocalyptic number.

1445874920159 is a deficient number, since it is larger than the sum of its proper divisors (1870472857).

1445874920159 is an equidigital number, since it uses as much as digits as its factorization.

1445874920159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870472856.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 1445874920159 in words is "one trillion, four hundred forty-five billion, eight hundred seventy-four million, nine hundred twenty thousand, one hundred fifty-nine".