230144242545 has 160 divisors (see below), whose sum is σ = 493857492480. Its totient is φ = 100252753920.

The previous prime is 230144242543. The next prime is 230144242571. The reversal of 230144242545 is 545242441032.

230144242545 is a `hidden beast` number, since 2 + 30 + 1 + 4 + 42 + 42 + 545 = 666.

It is not a de Polignac number, because 230144242545 - 2¹ = 230144242543 is a prime.

It is a super-2 number, since 2×230144242545² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230144242543) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 17533585 + ... + 17546705.

It is an arithmetic number, because the mean of its divisors is an integer number (3086609328).

Almost surely, 2^230144242545 is an apocalyptic number.

It is an amenable number.

230144242545 is an abundant number, since it is smaller than the sum of its proper divisors (263713249935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230144242545 is a wasteful number, since it uses less digits than its factorization.

230144242545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437 (or 13428 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 230144242545 its reverse (545242441032), we get a palindrome (775386683577).

The spelling of 230144242545 in words is "two hundred thirty billion, one hundred forty-four million, two hundred forty-two thousand, five hundred forty-five".