2152243045 has 8 divisors (see below), whose sum is σ = 2666004480. Its totient is φ = 1666252560.

The previous prime is 2152243019. The next prime is 2152243073. The reversal of 2152243045 is 5403422512.

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

It is not a de Polignac number, because 2152243045 - 2¹¹ = 2152240997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6942565 + ... + 6942874.

It is an arithmetic number, because the mean of its divisors is an integer number (333250560).

Almost surely, 2^2152243045 is an apocalyptic number.

It is an amenable number.

2152243045 is a deficient number, since it is larger than the sum of its proper divisors (513761435).

2152243045 is a wasteful number, since it uses less digits than its factorization.

2152243045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13885475.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2152243045 is about 46392.2735485124. The cubic root of 2152243045 is about 1291.1115641992. Note that the first 3 decimals are identical.

Adding to 2152243045 its reverse (5403422512), we get a palindrome (7555665557).

It can be divided in two parts, 21522 and 43045, that multiplied together give a triangular number (926414490 = T₄₃₀₄₄).

The spelling of 2152243045 in words is "two billion, one hundred fifty-two million, two hundred forty-three thousand, forty-five".