42143615147 has 4 divisors (see below), whose sum is σ = 42168421800. Its totient is φ = 42118808496.

The previous prime is 42143615131. The next prime is 42143615149. The reversal of 42143615147 is 74151634124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42143615147 - 2⁴ = 42143615131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42143615147.

It is not an unprimeable number, because it can be changed into a prime (42143615149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12400778 + ... + 12404175.

It is an arithmetic number, because the mean of its divisors is an integer number (10542105450).

Almost surely, 2^42143615147 is an apocalyptic number.

42143615147 is a deficient number, since it is larger than the sum of its proper divisors (24806653).

42143615147 is a wasteful number, since it uses less digits than its factorization.

42143615147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24806652.

The product of its digits is 80640, while the sum is 38.

The spelling of 42143615147 in words is "forty-two billion, one hundred forty-three million, six hundred fifteen thousand, one hundred forty-seven".