242606542 has 4 divisors (see below), whose sum is σ = 363909816. Its totient is φ = 121303270.

The previous prime is 242606519. The next prime is 242606549. The reversal of 242606542 is 245606242.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242606549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60651634 + ... + 60651637.

It is an arithmetic number, because the mean of its divisors is an integer number (90977454).

Almost surely, 2^242606542 is an apocalyptic number.

242606542 is a deficient number, since it is larger than the sum of its proper divisors (121303274).

242606542 is a wasteful number, since it uses less digits than its factorization.

242606542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121303273.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 242606542 is about 15575.8319841991. The cubic root of 242606542 is about 623.6881643058.

The spelling of 242606542 in words is "two hundred forty-two million, six hundred six thousand, five hundred forty-two".