288145672 has 16 divisors (see below), whose sum is σ = 540624060. Its totient is φ = 143979264.

The previous prime is 288145667. The next prime is 288145691. The reversal of 288145672 is 276541882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 251349316 + 36796356 = 15854^2 + 6066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2388 + ... + 24124.

Almost surely, 2^288145672 is an apocalyptic number.

It is an amenable number.

288145672 is a deficient number, since it is larger than the sum of its proper divisors (252478388).

288145672 is a wasteful number, since it uses less digits than its factorization.

288145672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23400 (or 23396 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 288145672 is about 16974.8541083569. The cubic root of 288145672 is about 660.4967732215.

The spelling of 288145672 in words is "two hundred eighty-eight million, one hundred forty-five thousand, six hundred seventy-two".