1445725275646 has 8 divisors (see below), whose sum is σ = 2199131405424. Its totient is φ = 712681473840.

The previous prime is 1445725275637. The next prime is 1445725275653. The reversal of 1445725275646 is 6465725275441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5090581815 + ... + 5090582098.

It is an arithmetic number, because the mean of its divisors is an integer number (274891425678).

Almost surely, 2^{1445725275646} is an apocalyptic number.

1445725275646 is a deficient number, since it is larger than the sum of its proper divisors (753406129778).

1445725275646 is a wasteful number, since it uses less digits than its factorization.

1445725275646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181163986.

The product of its digits is 56448000, while the sum is 58.

The spelling of 1445725275646 in words is "one trillion, four hundred forty-five billion, seven hundred twenty-five million, two hundred seventy-five thousand, six hundred forty-six".