145536728 has 64 divisors (see below), whose sum is σ = 300114720. Its totient is φ = 65894400.

The previous prime is 145536719. The next prime is 145536733. The reversal of 145536728 is 827635541.

145536728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439523 + ... + 439853.

Almost surely, 2^145536728 is an apocalyptic number.

It is an amenable number.

145536728 is an abundant number, since it is smaller than the sum of its proper divisors (154577992).

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

145536728 is a wasteful number, since it uses less digits than its factorization.

145536728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 464 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 145536728 is about 12063.8604103330. The cubic root of 145536728 is about 526.0062069463.

It can be divided in two parts, 1455 and 36728, that added together give a palindrome (38183).

The spelling of 145536728 in words is "one hundred forty-five million, five hundred thirty-six thousand, seven hundred twenty-eight".