242281145 has 8 divisors (see below), whose sum is σ = 290825856. Its totient is φ = 193765936.

The previous prime is 242281139. The next prime is 242281157. The reversal of 242281145 is 541182242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242281145 - 2²⁶ = 175172281 is a prime.

It is a super-2 number, since 2×242281145² = 117400306445022050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19814 + ... + 29616.

It is an arithmetic number, because the mean of its divisors is an integer number (36353232).

Almost surely, 2^242281145 is an apocalyptic number.

It is an amenable number.

242281145 is a deficient number, since it is larger than the sum of its proper divisors (48544711).

242281145 is an equidigital number, since it uses as much as digits as its factorization.

242281145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14751.

The product of its digits is 5120, while the sum is 29.

The square root of 242281145 is about 15565.3829056660. The cubic root of 242281145 is about 623.4091981277.

The spelling of 242281145 in words is "two hundred forty-two million, two hundred eighty-one thousand, one hundred forty-five".