242455403 has 4 divisors (see below), whose sum is σ = 242486640. Its totient is φ = 242424168.

The previous prime is 242455363. The next prime is 242455417. The reversal of 242455403 is 304554242.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 242455403 - 2¹⁶ = 242389867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242455463) 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 in 3 ways as a sum of consecutive naturals, for example, 5993 + ... + 22821.

It is an arithmetic number, because the mean of its divisors is an integer number (60621660).

Almost surely, 2^242455403 is an apocalyptic number.

242455403 is a deficient number, since it is larger than the sum of its proper divisors (31237).

242455403 is a wasteful number, since it uses less digits than its factorization.

242455403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31236.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 242455403 is about 15570.9795131841. The cubic root of 242455403 is about 623.5586223374.

The spelling of 242455403 in words is "two hundred forty-two million, four hundred fifty-five thousand, four hundred three".