46142231 has 4 divisors (see below), whose sum is σ = 46156632. Its totient is φ = 46127832.

The previous prime is 46142197. The next prime is 46142237. The reversal of 46142231 is 13224164.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46142231 is a prime.

It is a super-2 number, since 2×46142231² = 4258210963314722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46142197 and 46142206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46142237) 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, 20 + ... + 9606.

It is an arithmetic number, because the mean of its divisors is an integer number (11539158).

Almost surely, 2^46142231 is an apocalyptic number.

46142231 is a deficient number, since it is larger than the sum of its proper divisors (14401).

46142231 is an equidigital number, since it uses as much as digits as its factorization.

46142231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14400.

The product of its digits is 1152, while the sum is 23.

The square root of 46142231 is about 6792.8072989008. The cubic root of 46142231 is about 358.6736973458.

Adding to 46142231 its reverse (13224164), we get a palindrome (59366395).

The spelling of 46142231 in words is "forty-six million, one hundred forty-two thousand, two hundred thirty-one".