46781143 has 4 divisors (see below), whose sum is σ = 46977120. Its totient is φ = 46585168.

The previous prime is 46781117. The next prime is 46781167. The reversal of 46781143 is 34118764.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46781143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46781099 and 46781108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46781183) 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, 97630 + ... + 98107.

It is an arithmetic number, because the mean of its divisors is an integer number (11744280).

Almost surely, 2^46781143 is an apocalyptic number.

46781143 is a deficient number, since it is larger than the sum of its proper divisors (195977).

46781143 is a wasteful number, since it uses less digits than its factorization.

46781143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195976.

The product of its digits is 16128, while the sum is 34.

The square root of 46781143 is about 6839.6741881467. The cubic root of 46781143 is about 360.3215825057.

The spelling of 46781143 in words is "forty-six million, seven hundred eighty-one thousand, one hundred forty-three".