545236465 has 8 divisors (see below), whose sum is σ = 654471720. Its totient is φ = 436063872.

The previous prime is 545236457. The next prime is 545236469. The reversal of 545236465 is 564632545.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 160174336 + 385062129 = 12656^2 + 19623^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545236465 - 2³ = 545236457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545236469) 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 7 ways as a sum of consecutive naturals, for example, 6277 + ... + 33613.

It is an arithmetic number, because the mean of its divisors is an integer number (81808965).

Almost surely, 2^545236465 is an apocalyptic number.

It is an amenable number.

545236465 is a deficient number, since it is larger than the sum of its proper divisors (109235255).

545236465 is a wasteful number, since it uses less digits than its factorization.

545236465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31331.

The product of its digits is 432000, while the sum is 40.

The square root of 545236465 is about 23350.2990344878. The cubic root of 545236465 is about 816.9490356815.

The spelling of 545236465 in words is "five hundred forty-five million, two hundred thirty-six thousand, four hundred sixty-five".