42152523146 has 8 divisors (see below), whose sum is σ = 63230059620. Its totient is φ = 21075836608.

The previous prime is 42152523059. The next prime is 42152523157. The reversal of 42152523146 is 64132525124.

42152523146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42010651225 + 141871921 = 204965^2 + 11911^2 .

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

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, 69161 + ... + 298476.

Almost surely, 2^42152523146 is an apocalyptic number.

42152523146 is a deficient number, since it is larger than the sum of its proper divisors (21077536474).

42152523146 is a wasteful number, since it uses less digits than its factorization.

42152523146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424968.

The product of its digits is 57600, while the sum is 35.

The spelling of 42152523146 in words is "forty-two billion, one hundred fifty-two million, five hundred twenty-three thousand, one hundred forty-six".