46509143 has 4 divisors (see below), whose sum is σ = 47386728. Its totient is φ = 45631560.

The previous prime is 46509119. The next prime is 46509157. The reversal of 46509143 is 34190564.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46509143 - 2⁶ = 46509079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46509163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438713 + ... + 438818.

It is an arithmetic number, because the mean of its divisors is an integer number (11846682).

Almost surely, 2^46509143 is an apocalyptic number.

46509143 is a deficient number, since it is larger than the sum of its proper divisors (877585).

46509143 is an equidigital number, since it uses as much as digits as its factorization.

46509143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877584.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 46509143 is about 6819.7612128285. The cubic root of 46509143 is about 359.6218843748.

The spelling of 46509143 in words is "forty-six million, five hundred nine thousand, one hundred forty-three".