47252142 has 24 divisors (see below), whose sum is σ = 117005616. Its totient is φ = 13500576.

The previous prime is 47252137. The next prime is 47252159. The reversal of 47252142 is 24125274.

47252142 is a `hidden beast` number, since 472 + 52 + 142 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187383 + ... + 187634.

It is an arithmetic number, because the mean of its divisors is an integer number (4875234).

Almost surely, 2^47252142 is an apocalyptic number.

47252142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47252142 is an abundant number, since it is smaller than the sum of its proper divisors (69753474).

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

47252142 is a wasteful number, since it uses less digits than its factorization.

47252142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375032 (or 375029 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 47252142 is about 6874.0193482416. The cubic root of 47252142 is about 361.5268025329.

The spelling of 47252142 in words is "forty-seven million, two hundred fifty-two thousand, one hundred forty-two".