545482389 has 4 divisors (see below), whose sum is σ = 727309856. Its totient is φ = 363654924.

The previous prime is 545482387. The next prime is 545482393. The reversal of 545482389 is 983284545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 545482389 - 2¹ = 545482387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545482387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90913729 + ... + 90913734.

It is an arithmetic number, because the mean of its divisors is an integer number (181827464).

Almost surely, 2^545482389 is an apocalyptic number.

It is an amenable number.

545482389 is a deficient number, since it is larger than the sum of its proper divisors (181827467).

545482389 is a wasteful number, since it uses less digits than its factorization.

545482389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181827466.

The product of its digits is 1382400, while the sum is 48.

The square root of 545482389 is about 23355.5644119340. The cubic root of 545482389 is about 817.0718430561.

The spelling of 545482389 in words is "five hundred forty-five million, four hundred eighty-two thousand, three hundred eighty-nine".