2144405125245 has 8 divisors (see below), whose sum is σ = 3431048200416. Its totient is φ = 1143682733456.

The previous prime is 2144405125237. The next prime is 2144405125259. The reversal of 2144405125245 is 5425215044412.

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 2144405125245 - 2³ = 2144405125237 is a prime.

It is a congruent number.

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, 71480170827 + ... + 71480170856.

It is an arithmetic number, because the mean of its divisors is an integer number (428881025052).

Almost surely, 2^{2144405125245} is an apocalyptic number.

It is an amenable number.

2144405125245 is a deficient number, since it is larger than the sum of its proper divisors (1286643075171).

2144405125245 is a wasteful number, since it uses less digits than its factorization.

2144405125245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142960341691.

The product of its (nonzero) digits is 256000, while the sum is 39.

The spelling of 2144405125245 in words is "two trillion, one hundred forty-four billion, four hundred five million, one hundred twenty-five thousand, two hundred forty-five".