289464545 has 16 divisors (see below), whose sum is σ = 363191040. Its totient is φ = 221056704.

The previous prime is 289464533. The next prime is 289464547. The reversal of 289464545 is 545464982.

It is a cyclic number.

It is not a de Polignac number, because 289464545 - 2²² = 285270241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 289464545.

It is not an unprimeable number, because it can be changed into a prime (289464547) 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, 61796 + ... + 66314.

It is an arithmetic number, because the mean of its divisors is an integer number (22699440).

Almost surely, 2^289464545 is an apocalyptic number.

It is an amenable number.

289464545 is a deficient number, since it is larger than the sum of its proper divisors (73726495).

289464545 is a wasteful number, since it uses less digits than its factorization.

289464545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104.

The product of its digits is 1382400, while the sum is 47.

The square root of 289464545 is about 17013.6576020561. The cubic root of 289464545 is about 661.5029606682.

The spelling of 289464545 in words is "two hundred eighty-nine million, four hundred sixty-four thousand, five hundred forty-five".