239523992545 has 8 divisors (see below), whose sum is σ = 287713662120. Its totient is φ = 191429280000.

The previous prime is 239523992527. The next prime is 239523992563. The reversal of 239523992545 is 545299325932.

It is an interprime number because it is at equal distance from previous prime (239523992527) and next prime (239523992563).

It can be written as a sum of positive squares in 4 ways, for example, as 64660352656 + 174863639889 = 254284^2 + 418167^2 .

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

It is not a de Polignac number, because 239523992545 - 2¹³ = 239523984353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 239523992545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23733706 + ... + 23743795.

It is an arithmetic number, because the mean of its divisors is an integer number (35964207765).

Almost surely, 2^239523992545 is an apocalyptic number.

It is an amenable number.

239523992545 is a deficient number, since it is larger than the sum of its proper divisors (48189669575).

239523992545 is a wasteful number, since it uses less digits than its factorization.

239523992545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47478515.

The product of its digits is 26244000, while the sum is 58.

The spelling of 239523992545 in words is "two hundred thirty-nine billion, five hundred twenty-three million, nine hundred ninety-two thousand, five hundred forty-five".