145512256 has 28 divisors (see below), whose sum is σ = 298711620. Its totient is φ = 70246400.

The previous prime is 145512253. The next prime is 145512281. The reversal of 145512256 is 652215541.

It can be written as a sum of positive squares in 2 ways, for example, as 125081856 + 20430400 = 11184^2 + 4520^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145512251) 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 3 ways as a sum of consecutive naturals, for example, 37345 + ... + 41056.

Almost surely, 2^145512256 is an apocalyptic number.

145512256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145512256 is an abundant number, since it is smaller than the sum of its proper divisors (153199364).

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

145512256 is an equidigital number, since it uses as much as digits as its factorization.

145512256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78442 (or 78432 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 145512256 is about 12062.8460986618. The cubic root of 145512256 is about 525.9767226467.

Adding to 145512256 its reverse (652215541), we get a palindrome (797727797).

It can be divided in two parts, 14551 and 2256, that added together give a 5-th power (16807 = 7⁵).

The spelling of 145512256 in words is "one hundred forty-five million, five hundred twelve thousand, two hundred fifty-six".