242045491 has 8 divisors (see below), whose sum is σ = 253843200. Its totient is φ = 230353992.

The previous prime is 242045483. The next prime is 242045501. The reversal of 242045491 is 194540242.

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 242045491 - 2³ = 242045483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242045431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21865 + ... + 31018.

It is an arithmetic number, because the mean of its divisors is an integer number (31730400).

Almost surely, 2^242045491 is an apocalyptic number.

242045491 is a deficient number, since it is larger than the sum of its proper divisors (11797709).

242045491 is a wasteful number, since it uses less digits than its factorization.

242045491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53105.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 242045491 is about 15557.8112535151. The cubic root of 242045491 is about 623.2070135581.

The spelling of 242045491 in words is "two hundred forty-two million, forty-five thousand, four hundred ninety-one".