242554454142 has 64 divisors (see below), whose sum is σ = 651335053824. Its totient is φ = 58154912640.

The previous prime is 242554454141. The next prime is 242554454209. The reversal of 242554454142 is 241454455242.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 242554454094 and 242554454103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242554454141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20186673 + ... + 20198684.

It is an arithmetic number, because the mean of its divisors is an integer number (10177110216).

Almost surely, 2^242554454142 is an apocalyptic number.

242554454142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242554454142 is an abundant number, since it is smaller than the sum of its proper divisors (408780599682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242554454142 is a wasteful number, since it uses less digits than its factorization.

242554454142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40385393.

The product of its digits is 1024000, while the sum is 42.

It can be divided in two parts, 242554 and 454142, that added together give a palindrome (696696).

The spelling of 242554454142 in words is "two hundred forty-two billion, five hundred fifty-four million, four hundred fifty-four thousand, one hundred forty-two".