242455234245 has 24 divisors (see below), whose sum is σ = 451263621024. Its totient is φ = 110836678176.

The previous prime is 242455234237. The next prime is 242455234247. The reversal of 242455234245 is 542432554242.

It is not a de Polignac number, because 242455234245 - 2³ = 242455234237 is a prime.

It is a super-2 number, since 2×242455234245² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242455234197 and 242455234206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242455234247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164934799 + ... + 164936268.

It is an arithmetic number, because the mean of its divisors is an integer number (18802650876).

Almost surely, 2^242455234245 is an apocalyptic number.

It is an amenable number.

242455234245 is a deficient number, since it is larger than the sum of its proper divisors (208808386779).

242455234245 is a wasteful number, since it uses less digits than its factorization.

242455234245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329871089 (or 329871082 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 42.

Adding to 242455234245 its reverse (542432554242), we get a palindrome (784887788487).

The spelling of 242455234245 in words is "two hundred forty-two billion, four hundred fifty-five million, two hundred thirty-four thousand, two hundred forty-five".