2145086495 has 4 divisors (see below), whose sum is σ = 2574103800. Its totient is φ = 1716069192.

The previous prime is 2145086479. The next prime is 2145086501. The reversal of 2145086495 is 5946805412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145086495 - 2⁴ = 2145086479 is a prime.

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, 214508645 + ... + 214508654.

It is an arithmetic number, because the mean of its divisors is an integer number (643525950).

Almost surely, 2^2145086495 is an apocalyptic number.

2145086495 is a deficient number, since it is larger than the sum of its proper divisors (429017305).

2145086495 is an equidigital number, since it uses as much as digits as its factorization.

2145086495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429017304.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 2145086495 is about 46315.0784842258. The cubic root of 2145086495 is about 1289.6789247596.

The spelling of 2145086495 in words is "two billion, one hundred forty-five million, eighty-six thousand, four hundred ninety-five".