242375157 has 12 divisors (see below), whose sum is σ = 350343084. Its totient is φ = 161470080.

The previous prime is 242375141. The next prime is 242375209. The reversal of 242375157 is 751573242.

It can be written as a sum of positive squares in 2 ways, for example, as 121682961 + 120692196 = 11031^2 + 10986^2 .

It is not a de Polignac number, because 242375157 - 2⁴ = 242375141 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242375117) 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, 5307 + ... + 22647.

It is an arithmetic number, because the mean of its divisors is an integer number (29195257).

Almost surely, 2^242375157 is an apocalyptic number.

It is an amenable number.

242375157 is a deficient number, since it is larger than the sum of its proper divisors (107967927).

242375157 is a wasteful number, since it uses less digits than its factorization.

242375157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18900 (or 18897 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 242375157 is about 15568.4025192054. The cubic root of 242375157 is about 623.4898212218.

The spelling of 242375157 in words is "two hundred forty-two million, three hundred seventy-five thousand, one hundred fifty-seven".