242255455 has 16 divisors (see below), whose sum is σ = 315332640. Its totient is φ = 177602688.

The previous prime is 242255449. The next prime is 242255471. The reversal of 242255455 is 554552242.

It is a cyclic number.

It is not a de Polignac number, because 242255455 - 2¹⁷ = 242124383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242255455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4372 + ... + 22441.

It is an arithmetic number, because the mean of its divisors is an integer number (19708290).

Almost surely, 2^242255455 is an apocalyptic number.

242255455 is a deficient number, since it is larger than the sum of its proper divisors (73077185).

242255455 is a wasteful number, since it uses less digits than its factorization.

242255455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26970.

The product of its digits is 80000, while the sum is 34.

The square root of 242255455 is about 15564.5576551343. The cubic root of 242255455 is about 623.3871631919.

The spelling of 242255455 in words is "two hundred forty-two million, two hundred fifty-five thousand, four hundred fifty-five".