242551343 has 4 divisors (see below), whose sum is σ = 242583840. Its totient is φ = 242518848.

The previous prime is 242551339. The next prime is 242551357. The reversal of 242551343 is 343155242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 242551343 - 2² = 242551339 is a prime.

It is a super-2 number, since 2×242551343² = 117662307982207298, 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 (242551303) 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, 1178 + ... + 22056.

It is an arithmetic number, because the mean of its divisors is an integer number (60645960).

Almost surely, 2^242551343 is an apocalyptic number.

242551343 is a deficient number, since it is larger than the sum of its proper divisors (32497).

242551343 is a wasteful number, since it uses less digits than its factorization.

242551343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32496.

The product of its digits is 14400, while the sum is 29.

The square root of 242551343 is about 15574.0599395277. The cubic root of 242551343 is about 623.6408592139.

The spelling of 242551343 in words is "two hundred forty-two million, five hundred fifty-one thousand, three hundred forty-three".