145928728 has 32 divisors (see below), whose sum is σ = 298967760. Its totient is φ = 66225280.

The previous prime is 145928719. The next prime is 145928729. The reversal of 145928728 is 827829541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145928729) 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, 88326 + ... + 89962.

Almost surely, 2^145928728 is an apocalyptic number.

It is an amenable number.

145928728 is an abundant number, since it is smaller than the sum of its proper divisors (153039032).

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

145928728 is a wasteful number, since it uses less digits than its factorization.

145928728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667 (or 2663 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 145928728 is about 12080.0963572316. The cubic root of 145928728 is about 526.4780456492.

The spelling of 145928728 in words is "one hundred forty-five million, nine hundred twenty-eight thousand, seven hundred twenty-eight".