145332028 has 12 divisors (see below), whose sum is σ = 254424240. Its totient is φ = 72639392.

The previous prime is 145332023. The next prime is 145332029. The reversal of 145332028 is 820233541.

145332028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145332028² = 42242796725185568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145331987 and 145332005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145332023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10593 + ... + 20071.

It is an arithmetic number, because the mean of its divisors is an integer number (21202020).

Almost surely, 2^145332028 is an apocalyptic number.

It is an amenable number.

145332028 is a deficient number, since it is larger than the sum of its proper divisors (109092212).

145332028 is a wasteful number, since it uses less digits than its factorization.

145332028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13316 (or 13314 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 145332028 is about 12055.3734077381. The cubic root of 145332028 is about 525.7594788681.

Adding to 145332028 its reverse (820233541), we get a palindrome (965565569).

It can be divided in two parts, 14533 and 2028, that added together give a palindrome (16561).

The spelling of 145332028 in words is "one hundred forty-five million, three hundred thirty-two thousand, twenty-eight".