47159142 has 32 divisors (see below), whose sum is σ = 97459200. Its totient is φ = 15204288.

The previous prime is 47159141. The next prime is 47159213. The reversal of 47159142 is 24195174.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47159141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24159 + ... + 26037.

It is an arithmetic number, because the mean of its divisors is an integer number (3045600).

Almost surely, 2^47159142 is an apocalyptic number.

47159142 is an abundant number, since it is smaller than the sum of its proper divisors (50300058).

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

47159142 is a wasteful number, since it uses less digits than its factorization.

47159142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020.

The product of its digits is 10080, while the sum is 33.

The square root of 47159142 is about 6867.2514152316. The cubic root of 47159142 is about 361.2894653228.

The spelling of 47159142 in words is "forty-seven million, one hundred fifty-nine thousand, one hundred forty-two".