1445456513155 has 8 divisors (see below), whose sum is σ = 1836580040352. Its totient is φ = 1088343727488.

The previous prime is 1445456513143. The next prime is 1445456513161. The reversal of 1445456513155 is 5513156545441.

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

It is not a de Polignac number, because 1445456513155 - 2¹³ = 1445456504963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1445456513099 and 1445456513108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8502685287 + ... + 8502685456.

It is an arithmetic number, because the mean of its divisors is an integer number (229572505044).

Almost surely, 2^{1445456513155} is an apocalyptic number.

1445456513155 is a deficient number, since it is larger than the sum of its proper divisors (391123527197).

1445456513155 is a wasteful number, since it uses less digits than its factorization.

1445456513155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17005370765.

The product of its digits is 3600000, while the sum is 49.

The spelling of 1445456513155 in words is "one trillion, four hundred forty-five billion, four hundred fifty-six million, five hundred thirteen thousand, one hundred fifty-five".