242149408 has 12 divisors (see below), whose sum is σ = 476731710. Its totient is φ = 121074688.

The previous prime is 242149399. The next prime is 242149417. The reversal of 242149408 is 804941242.

It is an interprime number because it is at equal distance from previous prime (242149399) and next prime (242149417).

It can be written as a sum of positive squares in only one way, i.e., 226562704 + 15586704 = 15052^2 + 3948^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3783553 + ... + 3783616.

Almost surely, 2^242149408 is an apocalyptic number.

It is an amenable number.

242149408 is a deficient number, since it is larger than the sum of its proper divisors (234582302).

242149408 is an equidigital number, since it uses as much as digits as its factorization.

242149408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567179 (or 7567171 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 242149408 is about 15561.1506001324. The cubic root of 242149408 is about 623.2961876181.

The spelling of 242149408 in words is "two hundred forty-two million, one hundred forty-nine thousand, four hundred eight".