42101144142 has 16 divisors (see below), whose sum is σ = 84537758592. Its totient is φ = 13977803000.

The previous prime is 42101144119. The next prime is 42101144143. The reversal of 42101144142 is 24144110124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42101144143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13976298 + ... + 13979309.

It is an arithmetic number, because the mean of its divisors is an integer number (5283609912).

Almost surely, 2^42101144142 is an apocalyptic number.

42101144142 is an abundant number, since it is smaller than the sum of its proper divisors (42436614450).

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

42101144142 is a wasteful number, since it uses less digits than its factorization.

42101144142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27955863.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 42101144142 its reverse (24144110124), we get a palindrome (66245254266).

The spelling of 42101144142 in words is "forty-two billion, one hundred one million, one hundred forty-four thousand, one hundred forty-two".