202145343 has 4 divisors (see below), whose sum is σ = 269527128. Its totient is φ = 134763560.

The previous prime is 202145323. The next prime is 202145347. The reversal of 202145343 is 343541202.

202145343 is nontrivially palindromic in base 6.

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 202145343 - 2⁵ = 202145311 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202145347) 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, 33690888 + ... + 33690893.

It is an arithmetic number, because the mean of its divisors is an integer number (67381782).

Almost surely, 2^202145343 is an apocalyptic number.

202145343 is a deficient number, since it is larger than the sum of its proper divisors (67381785).

202145343 is an equidigital number, since it uses as much as digits as its factorization.

202145343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67381784.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 202145343 is about 14217.7826330269. The cubic root of 202145343 is about 586.8871223315.

Adding to 202145343 its reverse (343541202), we get a palindrome (545686545).

The spelling of 202145343 in words is "two hundred two million, one hundred forty-five thousand, three hundred forty-three".