242323545 has 32 divisors (see below), whose sum is σ = 401228928. Its totient is φ = 124789248.

The previous prime is 242323519. The next prime is 242323547. The reversal of 242323545 is 545323242.

It is not a de Polignac number, because 242323545 - 2⁶ = 242323481 is a prime.

It is a super-2 number, since 2×242323545² = 117441400922734050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242323547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74442 + ... + 77628.

It is an arithmetic number, because the mean of its divisors is an integer number (12538404).

Almost surely, 2^242323545 is an apocalyptic number.

It is an amenable number.

242323545 is a deficient number, since it is larger than the sum of its proper divisors (158905383).

242323545 is a wasteful number, since it uses less digits than its factorization.

242323545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369.

The product of its digits is 28800, while the sum is 30.

The square root of 242323545 is about 15566.7448427730. The cubic root of 242323545 is about 623.4455622289.

Adding to 242323545 its reverse (545323242), we get a palindrome (787646787).

The spelling of 242323545 in words is "two hundred forty-two million, three hundred twenty-three thousand, five hundred forty-five".