242153355 has 16 divisors (see below), whose sum is σ = 410236704. Its totient is φ = 121551360.

The previous prime is 242153341. The next prime is 242153357. The reversal of 242153355 is 553351242.

It is not a de Polignac number, because 242153355 - 2⁵ = 242153323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242153357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474556 + ... + 475065.

It is an arithmetic number, because the mean of its divisors is an integer number (25639794).

Almost surely, 2^242153355 is an apocalyptic number.

242153355 is a deficient number, since it is larger than the sum of its proper divisors (168083349).

242153355 is a wasteful number, since it uses less digits than its factorization.

242153355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949646.

The product of its digits is 18000, while the sum is 30.

The square root of 242153355 is about 15561.2774218571. The cubic root of 242153355 is about 623.2995741453.

The spelling of 242153355 in words is "two hundred forty-two million, one hundred fifty-three thousand, three hundred fifty-five".