242512142545 has 8 divisors (see below), whose sum is σ = 291027333096. Its totient is φ = 194001206016.

The previous prime is 242512142527. The next prime is 242512142549. The reversal of 242512142545 is 545241215242.

242512142545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49108332816 + 193403809729 = 221604^2 + 439777^2 .

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 242512142545 - 2⁵ = 242512142513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242512142549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936712 + ... + 1167241.

It is an arithmetic number, because the mean of its divisors is an integer number (36378416637).

Almost surely, 2^242512142545 is an apocalyptic number.

It is an amenable number.

242512142545 is a deficient number, since it is larger than the sum of its proper divisors (48515190551).

242512142545 is a wasteful number, since it uses less digits than its factorization.

242512142545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127011.

The product of its digits is 128000, while the sum is 37.

Adding to 242512142545 its reverse (545241215242), we get a palindrome (787753357787).

The spelling of 242512142545 in words is "two hundred forty-two billion, five hundred twelve million, one hundred forty-two thousand, five hundred forty-five".