145633332 has 96 divisors (see below), whose sum is σ = 392539392. Its totient is φ = 41665536.

The previous prime is 145633297. The next prime is 145633333. The reversal of 145633332 is 233336541.

It is a self number, because there is not a number n which added to its sum of digits gives 145633332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145633333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132208 + ... + 133304.

It is an arithmetic number, because the mean of its divisors is an integer number (4088952).

Almost surely, 2^145633332 is an apocalyptic number.

145633332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145633332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196269696).

145633332 is an abundant number, since it is smaller than the sum of its proper divisors (246906060).

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

145633332 is a wasteful number, since it uses less digits than its factorization.

145633332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1175 counting only the distinct ones).

The product of its digits is 19440, while the sum is 30.

The square root of 145633332 is about 12067.8636054606. The cubic root of 145633332 is about 526.1225648932.

Adding to 145633332 its reverse (233336541), we get a palindrome (378969873).

The spelling of 145633332 in words is "one hundred forty-five million, six hundred thirty-three thousand, three hundred thirty-two".