242520195 has 16 divisors (see below), whose sum is σ = 391802112. Its totient is φ = 128087520.

The previous prime is 242520139. The next prime is 242520203. The reversal of 242520195 is 591025242.

It is not a de Polignac number, because 242520195 - 2⁷ = 242520067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76941 + ... + 80030.

It is an arithmetic number, because the mean of its divisors is an integer number (24487632).

Almost surely, 2^242520195 is an apocalyptic number.

242520195 is a deficient number, since it is larger than the sum of its proper divisors (149281917).

242520195 is a wasteful number, since it uses less digits than its factorization.

242520195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157082.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 242520195 is about 15573.0599112698. The cubic root of 242520195 is about 623.6141624648.

The spelling of 242520195 in words is "two hundred forty-two million, five hundred twenty thousand, one hundred ninety-five".