242552545 has 8 divisors (see below), whose sum is σ = 291253824. Its totient is φ = 193914864.

The previous prime is 242552533. The next prime is 242552567. The reversal of 242552545 is 545255242.

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

It is a cyclic number.

It is not a de Polignac number, because 242552545 - 2⁹ = 242552033 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 242552545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7059 + ... + 23128.

It is an arithmetic number, because the mean of its divisors is an integer number (36406728).

Almost surely, 2^242552545 is an apocalyptic number.

It is an amenable number.

242552545 is a deficient number, since it is larger than the sum of its proper divisors (48701279).

242552545 is a wasteful number, since it uses less digits than its factorization.

242552545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31799.

The product of its digits is 80000, while the sum is 34.

The square root of 242552545 is about 15574.0985292889. The cubic root of 242552545 is about 623.6418893945.

The spelling of 242552545 in words is "two hundred forty-two million, five hundred fifty-two thousand, five hundred forty-five".