242515192 has 8 divisors (see below), whose sum is σ = 454716000. Its totient is φ = 121257592.

The previous prime is 242515187. The next prime is 242515213. The reversal of 242515192 is 291515242.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 15157192 + ... + 15157207.

It is an arithmetic number, because the mean of its divisors is an integer number (56839500).

Almost surely, 2^242515192 is an apocalyptic number.

It is an amenable number.

242515192 is a deficient number, since it is larger than the sum of its proper divisors (212200808).

242515192 is a wasteful number, since it uses less digits than its factorization.

242515192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30314405 (or 30314401 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 242515192 is about 15572.8992804808. The cubic root of 242515192 is about 623.6098742128.

Subtracting 242515192 from its reverse (291515242), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 242515192 in words is "two hundred forty-two million, five hundred fifteen thousand, one hundred ninety-two".