47102142 has 8 divisors (see below), whose sum is σ = 94204296. Its totient is φ = 15700712.

The previous prime is 47102123. The next prime is 47102161. The reversal of 47102142 is 24120174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47102123) and next prime (47102161).

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

47102142 is an admirable number.

It is a super-2 number, since 2×47102142² = 4437223561976328, which contains 22 as substring.

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, 3925173 + ... + 3925184.

It is an arithmetic number, because the mean of its divisors is an integer number (11775537).

Almost surely, 2^47102142 is an apocalyptic number.

47102142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47102142 is a wasteful number, since it uses less digits than its factorization.

47102142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7850362.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 47102142 is about 6863.1000284128. The cubic root of 47102142 is about 361.1438463175.

The spelling of 47102142 in words is "forty-seven million, one hundred two thousand, one hundred forty-two".