1445452656113 has 4 divisors (see below), whose sum is σ = 1445589923568. Its totient is φ = 1445315388660.

The previous prime is 1445452656103. The next prime is 1445452656119. The reversal of 1445452656113 is 3116562545441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1445452656113 - 2³⁶ = 1376733179377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445452656119) 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, 68617931 + ... + 68638992.

It is an arithmetic number, because the mean of its divisors is an integer number (361397480892).

Almost surely, 2^{1445452656113} is an apocalyptic number.

It is an amenable number.

1445452656113 is a deficient number, since it is larger than the sum of its proper divisors (137267455).

1445452656113 is a wasteful number, since it uses less digits than its factorization.

1445452656113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137267454.

The product of its digits is 1728000, while the sum is 47.

The spelling of 1445452656113 in words is "one trillion, four hundred forty-five billion, four hundred fifty-two million, six hundred fifty-six thousand, one hundred thirteen".