242453555 has 4 divisors (see below), whose sum is σ = 290944272. Its totient is φ = 193962840.

The previous prime is 242453551. The next prime is 242453593. The reversal of 242453555 is 555354242.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 242453555 - 2² = 242453551 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (242453551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24245351 + ... + 24245360.

It is an arithmetic number, because the mean of its divisors is an integer number (72736068).

Almost surely, 2^242453555 is an apocalyptic number.

242453555 is a deficient number, since it is larger than the sum of its proper divisors (48490717).

242453555 is an equidigital number, since it uses as much as digits as its factorization.

242453555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48490716.

The product of its digits is 120000, while the sum is 35.

The square root of 242453555 is about 15570.9201719102. The cubic root of 242453555 is about 623.5570380745.

The spelling of 242453555 in words is "two hundred forty-two million, four hundred fifty-three thousand, five hundred fifty-five".