242175157 has 16 divisors (see below), whose sum is σ = 280133632. Its totient is φ = 205072560.

The previous prime is 242175127. The next prime is 242175163. The reversal of 242175157 is 751571242.

It is not a de Polignac number, because 242175157 - 2⁷ = 242175029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242175127) 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 15 ways as a sum of consecutive naturals, for example, 293848 + ... + 294670.

It is an arithmetic number, because the mean of its divisors is an integer number (17508352).

Almost surely, 2^242175157 is an apocalyptic number.

It is an amenable number.

242175157 is a deficient number, since it is larger than the sum of its proper divisors (37958475).

242175157 is a wasteful number, since it uses less digits than its factorization.

242175157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288.

The product of its digits is 19600, while the sum is 34.

The square root of 242175157 is about 15561.9779269860. The cubic root of 242175157 is about 623.3182796051.

The spelling of 242175157 in words is "two hundred forty-two million, one hundred seventy-five thousand, one hundred fifty-seven".