242240546 has 16 divisors (see below), whose sum is σ = 373583448. Its totient is φ = 117734400.

The previous prime is 242240539. The next prime is 242240549. The reversal of 242240546 is 645042242.

It can be written as a sum of positive squares in 4 ways, for example, as 77246521 + 164994025 = 8789^2 + 12845^2 .

It is not an unprimeable number, because it can be changed into a prime (242240549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17786 + ... + 28298.

Almost surely, 2^242240546 is an apocalyptic number.

242240546 is a deficient number, since it is larger than the sum of its proper divisors (131342902).

242240546 is a wasteful number, since it uses less digits than its factorization.

242240546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 242240546 is about 15564.0787070742. The cubic root of 242240546 is about 623.3743746669.

Adding to 242240546 its reverse (645042242), we get a palindrome (887282788).

The spelling of 242240546 in words is "two hundred forty-two million, two hundred forty thousand, five hundred forty-six".