545157089 has 4 divisors (see below), whose sum is σ = 556756224. Its totient is φ = 533557956.

The previous prime is 545157083. The next prime is 545157097. The reversal of 545157089 is 980751545.

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, and also an emirpimes, since its reverse is a distinct semiprime: 980751545 = 5 ⋅196150309.

It is a cyclic number.

It is not a de Polignac number, because 545157089 - 2²⁸ = 276721633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545157083) by changing a digit.

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, 5799497 + ... + 5799590.

It is an arithmetic number, because the mean of its divisors is an integer number (139189056).

Almost surely, 2^545157089 is an apocalyptic number.

It is an amenable number.

545157089 is a deficient number, since it is larger than the sum of its proper divisors (11599135).

545157089 is a wasteful number, since it uses less digits than its factorization.

545157089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599134.

The product of its (nonzero) digits is 252000, while the sum is 44.

The square root of 545157089 is about 23348.5992941761. The cubic root of 545157089 is about 816.9093897065.

The spelling of 545157089 in words is "five hundred forty-five million, one hundred fifty-seven thousand, eighty-nine".