2145292265 has 8 divisors (see below), whose sum is σ = 2577278088. Its totient is φ = 1714282240.

The previous prime is 2145292243. The next prime is 2145292273. The reversal of 2145292265 is 5622925412.

It can be written as a sum of positive squares in 4 ways, for example, as 120409 + 2145171856 = 347^2 + 46316^2 .

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

It is not a de Polignac number, because 2145292265 - 2¹² = 2145288169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239102 + ... + 247911.

It is an arithmetic number, because the mean of its divisors is an integer number (322159761).

Almost surely, 2^2145292265 is an apocalyptic number.

It is an amenable number.

2145292265 is a deficient number, since it is larger than the sum of its proper divisors (431985823).

2145292265 is an equidigital number, since it uses as much as digits as its factorization.

2145292265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487899.

The product of its digits is 86400, while the sum is 38.

The square root of 2145292265 is about 46317.2998457380. The cubic root of 2145292265 is about 1289.7201614414.

The spelling of 2145292265 in words is "two billion, one hundred forty-five million, two hundred ninety-two thousand, two hundred sixty-five".