145552128 has 72 divisors (see below), whose sum is σ = 392448000. Its totient is φ = 47883264.

The previous prime is 145552109. The next prime is 145552129. The reversal of 145552128 is 821255541.

It is not an unprimeable number, because it can be changed into a prime (145552129) 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 7 ways as a sum of consecutive naturals, for example, 59473 + ... + 61871.

Almost surely, 2^145552128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145552128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196224000).

145552128 is an abundant number, since it is smaller than the sum of its proper divisors (246895872).

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

145552128 is an equidigital number, since it uses as much as digits as its factorization.

145552128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497 (or 2483 counting only the distinct ones).

The product of its digits is 16000, while the sum is 33.

The square root of 145552128 is about 12064.4986634340. The cubic root of 145552128 is about 526.0247594450.

The spelling of 145552128 in words is "one hundred forty-five million, five hundred fifty-two thousand, one hundred twenty-eight".