242140475 has 12 divisors (see below), whose sum is σ = 306644064. Its totient is φ = 189589920.

The previous prime is 242140471. The next prime is 242140501. The reversal of 242140475 is 574041242.

It is not a de Polignac number, because 242140475 - 2² = 242140471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242140471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101864 + ... + 104213.

It is an arithmetic number, because the mean of its divisors is an integer number (25553672).

Almost surely, 2^242140475 is an apocalyptic number.

242140475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242140475 is a deficient number, since it is larger than the sum of its proper divisors (64503589).

242140475 is a wasteful number, since it uses less digits than its factorization.

242140475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206134 (or 206129 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 242140475 is about 15560.8635685813. The cubic root of 242140475 is about 623.2885229654.

The spelling of 242140475 in words is "two hundred forty-two million, one hundred forty thousand, four hundred seventy-five".