2145534113 has 8 divisors (see below), whose sum is σ = 2289085920. Its totient is φ = 2003909440.

The previous prime is 2145534109. The next prime is 2145534143. The reversal of 2145534113 is 3114355412.

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 2145534113 - 2² = 2145534109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145534143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479483 + ... + 483936.

It is an arithmetic number, because the mean of its divisors is an integer number (286135740).

Almost surely, 2^2145534113 is an apocalyptic number.

It is an amenable number.

2145534113 is a deficient number, since it is larger than the sum of its proper divisors (143551807).

2145534113 is a wasteful number, since it uses less digits than its factorization.

2145534113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963567.

The product of its digits is 7200, while the sum is 29.

The square root of 2145534113 is about 46319.9105461140. The cubic root of 2145534113 is about 1289.7686248491.

Adding to 2145534113 its reverse (3114355412), we get a palindrome (5259889525).

The spelling of 2145534113 in words is "two billion, one hundred forty-five million, five hundred thirty-four thousand, one hundred thirteen".