2145232574 has 8 divisors (see below), whose sum is σ = 3219388200. Its totient is φ = 1072103176.

The previous prime is 2145232561. The next prime is 2145232589. The reversal of 2145232574 is 4752325412.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 251309 + ... + 259704.

It is an arithmetic number, because the mean of its divisors is an integer number (402423525).

Almost surely, 2^2145232574 is an apocalyptic number.

2145232574 is a deficient number, since it is larger than the sum of its proper divisors (1074155626).

2145232574 is a wasteful number, since it uses less digits than its factorization.

2145232574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513114.

The product of its digits is 67200, while the sum is 35.

The square root of 2145232574 is about 46316.6554707915. The cubic root of 2145232574 is about 1289.7081995281.

Adding to 2145232574 its reverse (4752325412), we get a palindrome (6897557986).

The spelling of 2145232574 in words is "two billion, one hundred forty-five million, two hundred thirty-two thousand, five hundred seventy-four".