289145149 has 2 divisors, whose sum is σ = 289145150. Its totient is φ = 289145148.

The previous prime is 289145119. The next prime is 289145179. The reversal of 289145149 is 941541982.

It is a balanced prime because it is at equal distance from previous prime (289145119) and next prime (289145179).

It can be written as a sum of positive squares in only one way, i.e., 246804100 + 42341049 = 15710^2 + 6507^2 .

It is a cyclic number.

It is not a de Polignac number, because 289145149 - 2¹³ = 289136957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289145119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144572574 + 144572575.

It is an arithmetic number, because the mean of its divisors is an integer number (144572575).

Almost surely, 2^289145149 is an apocalyptic number.

It is an amenable number.

289145149 is a deficient number, since it is larger than the sum of its proper divisors (1).

289145149 is an equidigital number, since it uses as much as digits as its factorization.

289145149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 289145149 is about 17004.2685523371. The cubic root of 289145149 is about 661.2595697125.

The spelling of 289145149 in words is "two hundred eighty-nine million, one hundred forty-five thousand, one hundred forty-nine".