145196928 has 64 divisors (see below), whose sum is σ = 428542800. Its totient is φ = 48397824.

The previous prime is 145196923. The next prime is 145196929. The reversal of 145196928 is 829691541.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145196923) 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, 17551 + ... + 24462.

Almost surely, 2^145196928 is an apocalyptic number.

145196928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

145196928 is an abundant number, since it is smaller than the sum of its proper divisors (283345872).

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

145196928 is an equidigital number, since it uses as much as digits as its factorization.

145196928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42036 (or 42018 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 145196928 is about 12049.7687944624. The cubic root of 145196928 is about 525.5965138110.

The spelling of 145196928 in words is "one hundred forty-five million, one hundred ninety-six thousand, nine hundred twenty-eight".