42051445555142 has 8 divisors (see below), whose sum is σ = 63077205618576. Its totient is φ = 21025710348952.

The previous prime is 42051445555069. The next prime is 42051445555271. The reversal of 42051445555142 is 24155554415024.

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

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, 1164218 + ... + 9244365.

It is an arithmetic number, because the mean of its divisors is an integer number (7884650702322).

Almost surely, 2^{42051445555142} is an apocalyptic number.

42051445555142 is a deficient number, since it is larger than the sum of its proper divisors (21025760063434).

42051445555142 is a wasteful number, since it uses less digits than its factorization.

42051445555142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428622.

The product of its (nonzero) digits is 3200000, while the sum is 47.

The spelling of 42051445555142 in words is "forty-two trillion, fifty-one billion, four hundred forty-five million, five hundred fifty-five thousand, one hundred forty-two".