242431052545 has 16 divisors (see below), whose sum is σ = 317501781120. Its totient is φ = 176237107200.

The previous prime is 242431052537. The next prime is 242431052561. The reversal of 242431052545 is 545250134242.

It is not a de Polignac number, because 242431052545 - 2³ = 242431052537 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 826560 + ... + 1080769.

It is an arithmetic number, because the mean of its divisors is an integer number (19843861320).

Almost surely, 2^242431052545 is an apocalyptic number.

It is an amenable number.

242431052545 is a deficient number, since it is larger than the sum of its proper divisors (75070728575).

242431052545 is a wasteful number, since it uses less digits than its factorization.

242431052545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909656.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 242431052545 its reverse (545250134242), we get a palindrome (787681186787).

The spelling of 242431052545 in words is "two hundred forty-two billion, four hundred thirty-one million, fifty-two thousand, five hundred forty-five".