242375137 has 8 divisors (see below), whose sum is σ = 256912776. Its totient is φ = 227868672.

The previous prime is 242375131. The next prime is 242375141. The reversal of 242375137 is 731573242.

It can be written as a sum of positive squares in 4 ways, for example, as 68161536 + 174213601 = 8256^2 + 13199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242375137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242375131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9313 + ... + 23905.

It is an arithmetic number, because the mean of its divisors is an integer number (32114097).

Almost surely, 2^242375137 is an apocalyptic number.

It is an amenable number.

242375137 is a deficient number, since it is larger than the sum of its proper divisors (14537639).

242375137 is a wasteful number, since it uses less digits than its factorization.

242375137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15587.

The product of its digits is 35280, while the sum is 34.

The square root of 242375137 is about 15568.4018768787. The cubic root of 242375137 is about 623.4898040723.

The spelling of 242375137 in words is "two hundred forty-two million, three hundred seventy-five thousand, one hundred thirty-seven".