289146152 has 8 divisors (see below), whose sum is σ = 542149050. Its totient is φ = 144573072.

The previous prime is 289146131. The next prime is 289146167. The reversal of 289146152 is 251641982.

It can be written as a sum of positive squares in only one way, i.e., 169156036 + 119990116 = 13006^2 + 10954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18071627 + ... + 18071642.

Almost surely, 2^289146152 is an apocalyptic number.

It is an amenable number.

289146152 is a deficient number, since it is larger than the sum of its proper divisors (253002898).

289146152 is a wasteful number, since it uses less digits than its factorization.

289146152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36143275 (or 36143271 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 289146152 is about 17004.2980449062. The cubic root of 289146152 is about 661.2603343141.

The spelling of 289146152 in words is "two hundred eighty-nine million, one hundred forty-six thousand, one hundred fifty-two".