242149859 has 16 divisors (see below), whose sum is σ = 281696256. Its totient is φ = 203860800.

The previous prime is 242149837. The next prime is 242149877. The reversal of 242149859 is 958941242.

It is a cyclic number.

It is not a de Polignac number, because 242149859 - 2¹² = 242145763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242149879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243854 + ... + 244844.

It is an arithmetic number, because the mean of its divisors is an integer number (17606016).

Almost surely, 2^242149859 is an apocalyptic number.

242149859 is a deficient number, since it is larger than the sum of its proper divisors (39546397).

242149859 is an equidigital number, since it uses as much as digits as its factorization.

242149859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its digits is 207360, while the sum is 44.

The square root of 242149859 is about 15561.1650913420. The cubic root of 242149859 is about 623.2965745781.

The spelling of 242149859 in words is "two hundred forty-two million, one hundred forty-nine thousand, eight hundred fifty-nine".