2145516453305 has 8 divisors (see below), whose sum is σ = 2710126046400. Its totient is φ = 1626075627696.

The previous prime is 2145516453299. The next prime is 2145516453317. The reversal of 2145516453305 is 5033546155412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2145516453305 - 2²⁰ = 2145515404729 is a prime.

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, 11292191765 + ... + 11292191954.

It is an arithmetic number, because the mean of its divisors is an integer number (338765755800).

Almost surely, 2^{2145516453305} is an apocalyptic number.

It is an amenable number.

2145516453305 is a deficient number, since it is larger than the sum of its proper divisors (564609593095).

2145516453305 is a wasteful number, since it uses less digits than its factorization.

2145516453305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22584383743.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 2145516453305 in words is "two trillion, one hundred forty-five billion, five hundred sixteen million, four hundred fifty-three thousand, three hundred five".