42154405142 has 16 divisors (see below), whose sum is σ = 65227430832. Its totient is φ = 20422242720.

The previous prime is 42154405123. The next prime is 42154405159. The reversal of 42154405142 is 24150445124.

It is a junction number, because it is equal to n+sod(n) for n = 42154405099 and 42154405108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2570393 + ... + 2586740.

It is an arithmetic number, because the mean of its divisors is an integer number (4076714427).

Almost surely, 2^42154405142 is an apocalyptic number.

42154405142 is a deficient number, since it is larger than the sum of its proper divisors (23073025690).

42154405142 is a wasteful number, since it uses less digits than its factorization.

42154405142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157263.

The product of its (nonzero) digits is 25600, while the sum is 32.

The spelling of 42154405142 in words is "forty-two billion, one hundred fifty-four million, four hundred five thousand, one hundred forty-two".