264145500 has 72 divisors (see below), whose sum is σ = 833305200. Its totient is φ = 70437600.

The previous prime is 264145487. The next prime is 264145529. The reversal of 264145500 is 5541462.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 24850 + ... + 33849.

Almost surely, 2^264145500 is an apocalyptic number.

264145500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264145500 is an abundant number, since it is smaller than the sum of its proper divisors (569159700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264145500 is a wasteful number, since it uses less digits than its factorization.

264145500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58724 (or 58709 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 264145500 is about 16252.5536455045. The cubic root of 264145500 is about 641.6246969420.

Adding to 264145500 its reverse (5541462), we get a palindrome (269686962).

The spelling of 264145500 in words is "two hundred sixty-four million, one hundred forty-five thousand, five hundred".