47415142 has 16 divisors (see below), whose sum is σ = 75699360. Its totient is φ = 22196608.

The previous prime is 47415119. The next prime is 47415143. The reversal of 47415142 is 24151474.

It is a self number, because there is not a number n which added to its sum of digits gives 47415142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47415143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3159 + ... + 10237.

It is an arithmetic number, because the mean of its divisors is an integer number (4731210).

Almost surely, 2^47415142 is an apocalyptic number.

47415142 is a deficient number, since it is larger than the sum of its proper divisors (28284218).

47415142 is a wasteful number, since it uses less digits than its factorization.

47415142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7295.

The product of its digits is 4480, while the sum is 28.

The square root of 47415142 is about 6885.8653777140. The cubic root of 47415142 is about 361.9420305412.

The spelling of 47415142 in words is "forty-seven million, four hundred fifteen thousand, one hundred forty-two".