145644608 has 14 divisors (see below), whose sum is σ = 289013646. Its totient is φ = 72822272.

The previous prime is 145644607. The next prime is 145644613. The reversal of 145644608 is 806446541.

It can be written as a sum of positive squares in only one way, i.e., 140944384 + 4700224 = 11872^2 + 2168^2 .

It is not an unprimeable number, because it can be changed into a prime (145644607) 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 as a sum of consecutive naturals, namely, 1137785 + ... + 1137912.

Almost surely, 2^145644608 is an apocalyptic number.

It is an amenable number.

145644608 is a deficient number, since it is larger than the sum of its proper divisors (143369038).

145644608 is an equidigital number, since it uses as much as digits as its factorization.

145644608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275709 (or 2275699 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 145644608 is about 12068.3307876442. The cubic root of 145644608 is about 526.1361432979.

It can be divided in two parts, 1456 and 44608, that added together give a palindrome (46064).

The spelling of 145644608 in words is "one hundred forty-five million, six hundred forty-four thousand, six hundred eight".