2145232573 has 16 divisors (see below), whose sum is σ = 2422820160. Its totient is φ = 1881510400.

The previous prime is 2145232561. The next prime is 2145232589. The reversal of 2145232573 is 3752325412.

It is not a de Polignac number, because 2145232573 - 2²⁵ = 2111678141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145232513) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 806061 + ... + 808717.

It is an arithmetic number, because the mean of its divisors is an integer number (151426260).

Almost surely, 2^2145232573 is an apocalyptic number.

It is an amenable number.

2145232573 is a deficient number, since it is larger than the sum of its proper divisors (277587587).

2145232573 is a wasteful number, since it uses less digits than its factorization.

2145232573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228.

The product of its digits is 50400, while the sum is 34.

The square root of 2145232573 is about 46316.6554599962. The cubic root of 2145232573 is about 1289.7081993277.

Adding to 2145232573 its reverse (3752325412), we get a palindrome (5897557985).

The spelling of 2145232573 in words is "two billion, one hundred forty-five million, two hundred thirty-two thousand, five hundred seventy-three".