46143239 has 2 divisors, whose sum is σ = 46143240. Its totient is φ = 46143238.

The previous prime is 46143233. The next prime is 46143241. The reversal of 46143239 is 93234164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 46143239 - 2²⁰ = 45094663 is a prime.

It is a super-2 number, since 2×46143239² = 4258397010822242, which contains 22 as substring.

Together with 46143241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46143233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23071619 + 23071620.

It is an arithmetic number, because the mean of its divisors is an integer number (23071620).

Almost surely, 2^46143239 is an apocalyptic number.

46143239 is a deficient number, since it is larger than the sum of its proper divisors (1).

46143239 is an equidigital number, since it uses as much as digits as its factorization.

46143239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 46143239 is about 6792.8814946236. The cubic root of 46143239 is about 358.6763091286.

The spelling of 46143239 in words is "forty-six million, one hundred forty-three thousand, two hundred thirty-nine".