2145334315 has 16 divisors (see below), whose sum is σ = 2730378816. Its totient is φ = 1614729600.

The previous prime is 2145334313. The next prime is 2145334337. The reversal of 2145334315 is 5134335412.

It is not a de Polignac number, because 2145334315 - 2¹ = 2145334313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145334313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145896 + ... + 159925.

It is an arithmetic number, because the mean of its divisors is an integer number (170648676).

Almost surely, 2^2145334315 is an apocalyptic number.

2145334315 is a deficient number, since it is larger than the sum of its proper divisors (585044501).

2145334315 is a wasteful number, since it uses less digits than its factorization.

2145334315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305910.

The product of its digits is 21600, while the sum is 31.

The square root of 2145334315 is about 46317.7537775743. The cubic root of 2145334315 is about 1289.7285880132.

Adding to 2145334315 its reverse (5134335412), we get a palindrome (7279669727).

The spelling of 2145334315 in words is "two billion, one hundred forty-five million, three hundred thirty-four thousand, three hundred fifteen".