42154342142 has 32 divisors (see below), whose sum is σ = 69386803200. Its totient is φ = 19048153600.

The previous prime is 42154342141. The next prime is 42154342151. The reversal of 42154342142 is 24124345124.

It is a super-2 number, since 2×42154342142² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42154342099 and 42154342108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42154342141) 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 15 ways as a sum of consecutive naturals, for example, 9826334 + ... + 9830622.

It is an arithmetic number, because the mean of its divisors is an integer number (2168337600).

Almost surely, 2^42154342142 is an apocalyptic number.

42154342142 is a deficient number, since it is larger than the sum of its proper divisors (27232461058).

42154342142 is a wasteful number, since it uses less digits than its factorization.

42154342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6832.

The product of its digits is 30720, while the sum is 32.

Adding to 42154342142 its reverse (24124345124), we get a palindrome (66278687266).

The spelling of 42154342142 in words is "forty-two billion, one hundred fifty-four million, three hundred forty-two thousand, one hundred forty-two".