242904045 has 8 divisors (see below), whose sum is σ = 388646496. Its totient is φ = 129548816.

The previous prime is 242903981. The next prime is 242904047. The reversal of 242904045 is 540409242.

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 242904045 - 2⁶ = 242903981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242904047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8096787 + ... + 8096816.

It is an arithmetic number, because the mean of its divisors is an integer number (48580812).

Almost surely, 2^242904045 is an apocalyptic number.

It is an amenable number.

242904045 is a deficient number, since it is larger than the sum of its proper divisors (145742451).

242904045 is a wasteful number, since it uses less digits than its factorization.

242904045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16193611.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 242904045 is about 15585.3792061663. The cubic root of 242904045 is about 623.9429984708.

The spelling of 242904045 in words is "two hundred forty-two million, nine hundred four thousand, forty-five".