42312155142 has 8 divisors (see below), whose sum is σ = 84624310296. Its totient is φ = 14104051712.

The previous prime is 42312155131. The next prime is 42312155159. The reversal of 42312155142 is 24155121324.

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

42312155142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3526012923 + ... + 3526012934.

It is an arithmetic number, because the mean of its divisors is an integer number (10578038787).

Almost surely, 2^42312155142 is an apocalyptic number.

42312155142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42312155142 is a wasteful number, since it uses less digits than its factorization.

42312155142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052025862.

The product of its digits is 9600, while the sum is 30.

Adding to 42312155142 its reverse (24155121324), we get a palindrome (66467276466).

The spelling of 42312155142 in words is "forty-two billion, three hundred twelve million, one hundred fifty-five thousand, one hundred forty-two".