146128343 has 4 divisors (see below), whose sum is σ = 147469080. Its totient is φ = 144787608.

The previous prime is 146128321. The next prime is 146128369. The reversal of 146128343 is 343821641.

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 146128343 - 2¹² = 146124247 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 (146128043) 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, 670205 + ... + 670422.

It is an arithmetic number, because the mean of its divisors is an integer number (36867270).

Almost surely, 2^146128343 is an apocalyptic number.

146128343 is a deficient number, since it is larger than the sum of its proper divisors (1340737).

146128343 is a wasteful number, since it uses less digits than its factorization.

146128343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340736.

The product of its digits is 13824, while the sum is 32.

The square root of 146128343 is about 12088.3556780896. The cubic root of 146128343 is about 526.7179916243.

Adding to 146128343 its reverse (343821641), we get a palindrome (489949984).

The spelling of 146128343 in words is "one hundred forty-six million, one hundred twenty-eight thousand, three hundred forty-three".