288985145 has 16 divisors (see below), whose sum is σ = 360970560. Its totient is φ = 221828544.

The previous prime is 288985141. The next prime is 288985181. The reversal of 288985145 is 541589882.

It is a cyclic number.

It is not a de Polignac number, because 288985145 - 2² = 288985141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 288985093 and 288985102.

It is not an unprimeable number, because it can be changed into a prime (288985141) 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, 17522 + ... + 29748.

It is an arithmetic number, because the mean of its divisors is an integer number (22560660).

Almost surely, 2^288985145 is an apocalyptic number.

It is an amenable number.

288985145 is a deficient number, since it is larger than the sum of its proper divisors (71985415).

288985145 is a wasteful number, since it uses less digits than its factorization.

288985145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12424.

The product of its digits is 921600, while the sum is 50.

The square root of 288985145 is about 16999.5630826207. The cubic root of 288985145 is about 661.1375736622.

It can be divided in two parts, 28898 and 5145, that added together give a palindrome (34043).

The spelling of 288985145 in words is "two hundred eighty-eight million, nine hundred eighty-five thousand, one hundred forty-five".