264545463 has 24 divisors (see below), whose sum is σ = 441881328. Its totient is φ = 139539456.

The previous prime is 264545443. The next prime is 264545497. The reversal of 264545463 is 364545462.

It is not a de Polignac number, because 264545463 - 2⁵ = 264545431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264545443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67306 + ... + 71127.

It is an arithmetic number, because the mean of its divisors is an integer number (18411722).

Almost surely, 2^264545463 is an apocalyptic number.

264545463 is a deficient number, since it is larger than the sum of its proper divisors (177335865).

264545463 is a wasteful number, since it uses less digits than its factorization.

264545463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138463 (or 138456 counting only the distinct ones).

The product of its digits is 345600, while the sum is 39.

The square root of 264545463 is about 16264.8536113917. The cubic root of 264545463 is about 641.9483780467.

Subtracting 264545463 from its reverse (364545462), we obtain a palindrome (99999999).

The spelling of 264545463 in words is "two hundred sixty-four million, five hundred forty-five thousand, four hundred sixty-three".