289058045 has 4 divisors (see below), whose sum is σ = 346869660. Its totient is φ = 231246432.

The previous prime is 289058009. The next prime is 289058053. The reversal of 289058045 is 540850982.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44542276 + 244515769 = 6674^2 + 15637^2 .

It is a cyclic number.

It is not a de Polignac number, because 289058045 - 2⁸ = 289057789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289057993 and 289058011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28905800 + ... + 28905809.

It is an arithmetic number, because the mean of its divisors is an integer number (86717415).

Almost surely, 2^289058045 is an apocalyptic number.

It is an amenable number.

289058045 is a deficient number, since it is larger than the sum of its proper divisors (57811615).

289058045 is an equidigital number, since it uses as much as digits as its factorization.

289058045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57811614.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 289058045 is about 17001.7071201688. The cubic root of 289058045 is about 661.1931623060.

The spelling of 289058045 in words is "two hundred eighty-nine million, fifty-eight thousand, forty-five".