242284158 has 24 divisors (see below), whose sum is σ = 541884096. Its totient is φ = 78156000.

The previous prime is 242284157. The next prime is 242284171. The reversal of 242284158 is 851482242.

242284158 is a `hidden beast` number, since 2 + 422 + 84 + 158 = 666.

It is a super-2 number, since 2×242284158² = 117403226435537928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242284151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216543 + ... + 217658.

It is an arithmetic number, because the mean of its divisors is an integer number (22578504).

Almost surely, 2^242284158 is an apocalyptic number.

242284158 is an abundant number, since it is smaller than the sum of its proper divisors (299599938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242284158 is a wasteful number, since it uses less digits than its factorization.

242284158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434240 (or 434237 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 242284158 is about 15565.4796906488. The cubic root of 242284158 is about 623.4117823488.

The spelling of 242284158 in words is "two hundred forty-two million, two hundred eighty-four thousand, one hundred fifty-eight".