242533455155 has 4 divisors (see below), whose sum is σ = 291040146192. Its totient is φ = 194026764120.

The previous prime is 242533455121. The next prime is 242533455163. The reversal of 242533455155 is 551554335242.

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

It is not a de Polignac number, because 242533455155 - 2¹⁶ = 242533389619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24253345511 + ... + 24253345520.

It is an arithmetic number, because the mean of its divisors is an integer number (72760036548).

Almost surely, 2^242533455155 is an apocalyptic number.

242533455155 is a deficient number, since it is larger than the sum of its proper divisors (48506691037).

242533455155 is an equidigital number, since it uses as much as digits as its factorization.

242533455155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48506691036.

The product of its digits is 1800000, while the sum is 44.

The spelling of 242533455155 in words is "two hundred forty-two billion, five hundred thirty-three million, four hundred fifty-five thousand, one hundred fifty-five".