242002546 has 4 divisors (see below), whose sum is σ = 363003822. Its totient is φ = 121001272.

The previous prime is 242002543. The next prime is 242002549. The reversal of 242002546 is 645200242.

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

It is an interprime number because it is at equal distance from previous prime (242002543) and next prime (242002549).

It can be written as a sum of positive squares in only one way, i.e., 241958025 + 44521 = 15555^2 + 211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 242002546.

It is not an unprimeable number, because it can be changed into a prime (242002543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500635 + ... + 60500638.

Almost surely, 2^242002546 is an apocalyptic number.

242002546 is a deficient number, since it is larger than the sum of its proper divisors (121001276).

242002546 is a wasteful number, since it uses less digits than its factorization.

242002546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121001275.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 242002546 is about 15556.4310174281. The cubic root of 242002546 is about 623.1701538090.

Adding to 242002546 its reverse (645200242), we get a palindrome (887202788).

The spelling of 242002546 in words is "two hundred forty-two million, two thousand, five hundred forty-six".