146143343 has 4 divisors (see below), whose sum is σ = 146443920. Its totient is φ = 145842768.

The previous prime is 146143321. The next prime is 146143381. The reversal of 146143343 is 343341641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343341641 = 2551 ⋅134591.

It is a cyclic number.

It is not a de Polignac number, because 146143343 - 2⁶ = 146143279 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 (146143043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149558 + ... + 150531.

It is an arithmetic number, because the mean of its divisors is an integer number (36610980).

Almost surely, 2^146143343 is an apocalyptic number.

146143343 is a deficient number, since it is larger than the sum of its proper divisors (300577).

146143343 is an equidigital number, since it uses as much as digits as its factorization.

146143343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300576.

The product of its digits is 10368, while the sum is 29.

The square root of 146143343 is about 12088.9760939461. The cubic root of 146143343 is about 526.7360134523.

Adding to 146143343 its reverse (343341641), we get a palindrome (489484984).

The spelling of 146143343 in words is "one hundred forty-six million, one hundred forty-three thousand, three hundred forty-three".