47898142 has 4 divisors (see below), whose sum is σ = 71847216. Its totient is φ = 23949070.

The previous prime is 47898133. The next prime is 47898199. The reversal of 47898142 is 24189874.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11974534 + ... + 11974537.

It is an arithmetic number, because the mean of its divisors is an integer number (17961804).

Almost surely, 2^47898142 is an apocalyptic number.

47898142 is a deficient number, since it is larger than the sum of its proper divisors (23949074).

47898142 is a wasteful number, since it uses less digits than its factorization.

47898142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23949073.

The product of its digits is 129024, while the sum is 43.

The square root of 47898142 is about 6920.8483584023. The cubic root of 47898142 is about 363.1668694753.

The spelling of 47898142 in words is "forty-seven million, eight hundred ninety-eight thousand, one hundred forty-two".