242442546 has 48 divisors (see below), whose sum is σ = 515502144. Its totient is φ = 76000608.

The previous prime is 242442539. The next prime is 242442569. The reversal of 242442546 is 645244242.

242442546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×242442546² = 117556776221924232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374395 + ... + 375041.

It is an arithmetic number, because the mean of its divisors is an integer number (10739628).

Almost surely, 2^242442546 is an apocalyptic number.

242442546 is an abundant number, since it is smaller than the sum of its proper divisors (273059598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242442546 is a wasteful number, since it uses less digits than its factorization.

242442546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 844 counting only the distinct ones).

The product of its digits is 61440, while the sum is 33.

The square root of 242442546 is about 15570.5666563552. The cubic root of 242442546 is about 623.5476000561.

Adding to 242442546 its reverse (645244242), we get a palindrome (887686788).

The spelling of 242442546 in words is "two hundred forty-two million, four hundred forty-two thousand, five hundred forty-six".