145737328 has 80 divisors (see below), whose sum is σ = 331478784. Its totient is φ = 61332480.

The previous prime is 145737301. The next prime is 145737331. The reversal of 145737328 is 823737541.

It is a happy number.

145737328 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, 200101 + ... + 200827.

Almost surely, 2^145737328 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 145737328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165739392).

145737328 is an abundant number, since it is smaller than the sum of its proper divisors (185741456).

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

145737328 is a wasteful number, since it uses less digits than its factorization.

145737328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 824 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 145737328 is about 12072.1716356255. The cubic root of 145737328 is about 526.2477688852.

The spelling of 145737328 in words is "one hundred forty-five million, seven hundred thirty-seven thousand, three hundred twenty-eight".