32145144001445 has 4 divisors (see below), whose sum is σ = 38574172801740. Its totient is φ = 25716115201152.

The previous prime is 32145144001427. The next prime is 32145144001459. The reversal of 32145144001445 is 54410044154123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19394881297444 + 12750262704001 = 4403962^2 + 3570751^2 .

It is a cyclic number.

It is not a de Polignac number, because 32145144001445 - 2²⁴ = 32145127224229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32145144001399 and 32145144001408.

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, 3214514400140 + ... + 3214514400149.

It is an arithmetic number, because the mean of its divisors is an integer number (9643543200435).

Almost surely, 2^{32145144001445} is an apocalyptic number.

It is an amenable number.

32145144001445 is a deficient number, since it is larger than the sum of its proper divisors (6429028800295).

32145144001445 is an equidigital number, since it uses as much as digits as its factorization.

32145144001445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429028800294.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 32145144001445 its reverse (54410044154123), we get a palindrome (86555188155568).

The spelling of 32145144001445 in words is "thirty-two trillion, one hundred forty-five billion, one hundred forty-four million, one thousand, four hundred forty-five".