242732545 has 24 divisors (see below), whose sum is σ = 337572288. Its totient is φ = 166137600.

The previous prime is 242732537. The next prime is 242732551. The reversal of 242732545 is 545237242.

It is not a de Polignac number, because 242732545 - 2³ = 242732537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242732545.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8260 + ... + 23530.

It is an arithmetic number, because the mean of its divisors is an integer number (14065512).

Almost surely, 2^242732545 is an apocalyptic number.

It is an amenable number.

242732545 is a deficient number, since it is larger than the sum of its proper divisors (94839743).

242732545 is a wasteful number, since it uses less digits than its factorization.

242732545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15321 (or 15304 counting only the distinct ones).

The product of its digits is 67200, while the sum is 34.

The square root of 242732545 is about 15579.8762832058. The cubic root of 242732545 is about 623.7961209694.

Adding to 242732545 its reverse (545237242), we get a palindrome (787969787).

The spelling of 242732545 in words is "two hundred forty-two million, seven hundred thirty-two thousand, five hundred forty-five".