242454405 has 8 divisors (see below), whose sum is σ = 387927072. Its totient is φ = 129309008.

The previous prime is 242454367. The next prime is 242454409. The reversal of 242454405 is 504454242.

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 242454405 - 2²⁴ = 225677189 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 (242454409) 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, 8081799 + ... + 8081828.

It is an arithmetic number, because the mean of its divisors is an integer number (48490884).

Almost surely, 2^242454405 is an apocalyptic number.

It is an amenable number.

242454405 is a deficient number, since it is larger than the sum of its proper divisors (145472667).

242454405 is a wasteful number, since it uses less digits than its factorization.

242454405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16163635.

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 242454405 is about 15570.9474663554. The cubic root of 242454405 is about 623.5577667679.

The spelling of 242454405 in words is "two hundred forty-two million, four hundred fifty-four thousand, four hundred five".