242266154 has 16 divisors (see below), whose sum is σ = 397988640. Its totient is φ = 109919280.

The previous prime is 242266151. The next prime is 242266163. The reversal of 242266154 is 451662242.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242266154.

It is not an unprimeable number, because it can be changed into a prime (242266151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77432 + ... + 80499.

It is an arithmetic number, because the mean of its divisors is an integer number (24874290).

Almost surely, 2^242266154 is an apocalyptic number.

242266154 is a deficient number, since it is larger than the sum of its proper divisors (155722486).

242266154 is a wasteful number, since it uses less digits than its factorization.

242266154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158005.

The product of its digits is 23040, while the sum is 32.

The square root of 242266154 is about 15564.9013488682. The cubic root of 242266154 is about 623.3963401729.

The spelling of 242266154 in words is "two hundred forty-two million, two hundred sixty-six thousand, one hundred fifty-four".