242154075 has 24 divisors (see below), whose sum is σ = 403529728. Its totient is φ = 128126880.

The previous prime is 242154071. The next prime is 242154109. The reversal of 242154075 is 570451242.

It is not a de Polignac number, because 242154075 - 2² = 242154071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242154071) 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 23 ways as a sum of consecutive naturals, for example, 3187 + ... + 22236.

Almost surely, 2^242154075 is an apocalyptic number.

242154075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242154075 is a deficient number, since it is larger than the sum of its proper divisors (161375653).

242154075 is a wasteful number, since it uses less digits than its factorization.

242154075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25563 (or 25558 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 242154075 is about 15561.3005561875. The cubic root of 242154075 is about 623.3001919016.

The spelling of 242154075 in words is "two hundred forty-two million, one hundred fifty-four thousand, seventy-five".