545265765 has 96 divisors (see below), whose sum is σ = 1074632832. Its totient is φ = 253440000.

The previous prime is 545265739. The next prime is 545265827. The reversal of 545265765 is 567562545.

545265765 is a `hidden beast` number, since 54 + 5 + 26 + 576 + 5 = 666.

It is not a de Polignac number, because 545265765 - 2⁵ = 545265733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 545265765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1359565 + ... + 1359965.

It is an arithmetic number, because the mean of its divisors is an integer number (11194092).

Almost surely, 2^545265765 is an apocalyptic number.

545265765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545265765 is a deficient number, since it is larger than the sum of its proper divisors (529367067).

545265765 is a wasteful number, since it uses less digits than its factorization.

545265765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 528 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The square root of 545265765 is about 23350.9264270178. The cubic root of 545265765 is about 816.9636691965.

It can be divided in two parts, 5452 and 65765, that added together give a palindrome (71217).

The spelling of 545265765 in words is "five hundred forty-five million, two hundred sixty-five thousand, seven hundred sixty-five".