47454142 has 8 divisors (see below), whose sum is σ = 71452656. Its totient is φ = 23636592.

The previous prime is 47454139. The next prime is 47454151. The reversal of 47454142 is 24145474.

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

It is a congruent number.

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, 44583 + ... + 45634.

It is an arithmetic number, because the mean of its divisors is an integer number (8931582).

Almost surely, 2^47454142 is an apocalyptic number.

47454142 is a deficient number, since it is larger than the sum of its proper divisors (23998514).

47454142 is a wasteful number, since it uses less digits than its factorization.

47454142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90482.

The product of its digits is 17920, while the sum is 31.

The square root of 47454142 is about 6888.6966836986. The cubic root of 47454142 is about 362.0412384468.

The spelling of 47454142 in words is "forty-seven million, four hundred fifty-four thousand, one hundred forty-two".