245343 has 12 divisors (see below), whose sum is σ = 380760. Its totient is φ = 140112.

The previous prime is 245339. The next prime is 245383. The reversal of 245343 is 343542.

It is a happy number.

It is not a de Polignac number, because 245343 - 2² = 245339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 688 + ... + 981.

It is an arithmetic number, because the mean of its divisors is an integer number (31730).

2²⁴⁵³⁴³ is an apocalyptic number.

245343 is a deficient number, since it is larger than the sum of its proper divisors (135417).

245343 is a wasteful number, since it uses less digits than its factorization.

245343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1679 counting only the distinct ones).

The product of its digits is 1440, while the sum is 21.

The square root of 245343 is about 495.3211079694. The cubic root of 245343 is about 62.6024346891.

Adding to 245343 its reverse (343542), we get a palindrome (588885).

The spelling of 245343 in words is "two hundred forty-five thousand, three hundred forty-three".