46442143 has 4 divisors (see below), whose sum is σ = 50664168. Its totient is φ = 42220120.

The previous prime is 46442111. The next prime is 46442161. The reversal of 46442143 is 34124464.

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 46442143 - 2⁵ = 46442111 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 (46442183) 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, 2110996 + ... + 2111017.

It is an arithmetic number, because the mean of its divisors is an integer number (12666042).

Almost surely, 2^46442143 is an apocalyptic number.

46442143 is a deficient number, since it is larger than the sum of its proper divisors (4222025).

46442143 is a wasteful number, since it uses less digits than its factorization.

46442143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222024.

The product of its digits is 9216, while the sum is 28.

The square root of 46442143 is about 6814.8472470041. The cubic root of 46442143 is about 359.4491137177.

It can be divided in two parts, 464421 and 43, that added together give a palindrome (464464).

The spelling of 46442143 in words is "forty-six million, four hundred forty-two thousand, one hundred forty-three".