242533545 has 16 divisors (see below), whose sum is σ = 397079232. Its totient is φ = 126342720.

The previous prime is 242533493. The next prime is 242533549. The reversal of 242533545 is 545335242.

It is a happy number.

242533545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242533545 - 2⁶ = 242533481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242533549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187366 + ... + 188655.

It is an arithmetic number, because the mean of its divisors is an integer number (24817452).

Almost surely, 2^242533545 is an apocalyptic number.

It is an amenable number.

242533545 is a deficient number, since it is larger than the sum of its proper divisors (154545687).

242533545 is a wasteful number, since it uses less digits than its factorization.

242533545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376072.

The product of its digits is 72000, while the sum is 33.

The square root of 242533545 is about 15573.4885301913. The cubic root of 242533545 is about 623.6256049432.

Adding to 242533545 its reverse (545335242), we get a palindrome (787868787).

The spelling of 242533545 in words is "two hundred forty-two million, five hundred thirty-three thousand, five hundred forty-five".