46639143 has 12 divisors (see below), whose sum is σ = 71330688. Its totient is φ = 29263680.

The previous prime is 46639141. The next prime is 46639157. The reversal of 46639143 is 34193664.

46639143 is a `hidden beast` number, since 4 + 6 + 639 + 14 + 3 = 666.

46639143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46639143 - 2¹ = 46639141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46639098 and 46639107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46639141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152263 + ... + 152568.

It is an arithmetic number, because the mean of its divisors is an integer number (5944224).

Almost surely, 2^46639143 is an apocalyptic number.

46639143 is a deficient number, since it is larger than the sum of its proper divisors (24691545).

46639143 is a wasteful number, since it uses less digits than its factorization.

46639143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304854 (or 304851 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 46639143 is about 6829.2856873907. The cubic root of 46639143 is about 359.9566382958.

The spelling of 46639143 in words is "forty-six million, six hundred thirty-nine thousand, one hundred forty-three".