145585504 has 12 divisors (see below), whose sum is σ = 286621524. Its totient is φ = 72792736.

The previous prime is 145585499. The next prime is 145585507. The reversal of 145585504 is 405585541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145585507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274742 + ... + 2274805.

It is an arithmetic number, because the mean of its divisors is an integer number (23885127).

Almost surely, 2^145585504 is an apocalyptic number.

It is an amenable number.

145585504 is a deficient number, since it is larger than the sum of its proper divisors (141036020).

145585504 is an equidigital number, since it uses as much as digits as its factorization.

145585504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549557 (or 4549549 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 37.

The square root of 145585504 is about 12065.8818160962. The cubic root of 145585504 is about 526.0649632786.

Adding to 145585504 its sum of digits (37), we get a palindrome (145585541).

The spelling of 145585504 in words is "one hundred forty-five million, five hundred eighty-five thousand, five hundred four".