242151343 has 4 divisors (see below), whose sum is σ = 276744400. Its totient is φ = 207558288.

The previous prime is 242151317. The next prime is 242151397. The reversal of 242151343 is 343151242.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 242151343 - 2²⁵ = 208596911 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 (242151443) 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, 17296518 + ... + 17296531.

It is an arithmetic number, because the mean of its divisors is an integer number (69186100).

Almost surely, 2^242151343 is an apocalyptic number.

242151343 is a deficient number, since it is larger than the sum of its proper divisors (34593057).

242151343 is an equidigital number, since it uses as much as digits as its factorization.

242151343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34593056.

The product of its digits is 2880, while the sum is 25.

The square root of 242151343 is about 15561.2127740739. The cubic root of 242151343 is about 623.2978478533.

The spelling of 242151343 in words is "two hundred forty-two million, one hundred fifty-one thousand, three hundred forty-three".