243241402 has 8 divisors (see below), whose sum is σ = 369860436. Its totient is φ = 119954592.

The previous prime is 243241379. The next prime is 243241409. The reversal of 243241402 is 204142342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 241522681 + 1718721 = 15541^2 + 1311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (243241409) 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, 832873 + ... + 833164.

Almost surely, 2^243241402 is an apocalyptic number.

243241402 is a deficient number, since it is larger than the sum of its proper divisors (126619034).

243241402 is a wasteful number, since it uses less digits than its factorization.

243241402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666112.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 243241402 is about 15596.1983188212. The cubic root of 243241402 is about 624.2317190179.

Adding to 243241402 its reverse (204142342), we get a palindrome (447383744).

It can be divided in two parts, 2432 and 41402, that added together give a palindrome (43834).

The spelling of 243241402 in words is "two hundred forty-three million, two hundred forty-one thousand, four hundred two".