242077845 has 8 divisors (see below), whose sum is σ = 387324576. Its totient is φ = 129108176.

The previous prime is 242077799. The next prime is 242077859. The reversal of 242077845 is 548770242.

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

It is a cyclic number.

It is not a de Polignac number, because 242077845 - 2¹¹ = 242075797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8069247 + ... + 8069276.

It is an arithmetic number, because the mean of its divisors is an integer number (48415572).

Almost surely, 2^242077845 is an apocalyptic number.

It is an amenable number.

242077845 is a deficient number, since it is larger than the sum of its proper divisors (145246731).

242077845 is a wasteful number, since it uses less digits than its factorization.

242077845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16138531.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 242077845 is about 15558.8510179897. The cubic root of 242077845 is about 623.2347801586.

The spelling of 242077845 in words is "two hundred forty-two million, seventy-seven thousand, eight hundred forty-five".