234545143 has 8 divisors (see below), whose sum is σ = 268202880. Its totient is φ = 200925240.

The previous prime is 234545137. The next prime is 234545147. The reversal of 234545143 is 341545432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234545143 is a prime.

It is a super-2 number, since 2×234545143² = 110022848209780898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234545147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5388 + ... + 22318.

It is an arithmetic number, because the mean of its divisors is an integer number (33525360).

Almost surely, 2^234545143 is an apocalyptic number.

234545143 is a deficient number, since it is larger than the sum of its proper divisors (33657737).

234545143 is a wasteful number, since it uses less digits than its factorization.

234545143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18917.

The product of its digits is 28800, while the sum is 31.

The square root of 234545143 is about 15314.8667313823. The cubic root of 234545143 is about 616.7021767069.

The spelling of 234545143 in words is "two hundred thirty-four million, five hundred forty-five thousand, one hundred forty-three".