145244432 has 10 divisors (see below), whose sum is σ = 281411118. Its totient is φ = 72622208.

The previous prime is 145244401. The next prime is 145244443. The reversal of 145244432 is 234442541.

It can be written as a sum of positive squares in only one way, i.e., 143616256 + 1628176 = 11984^2 + 1276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145244395 and 145244404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4538873 + ... + 4538904.

Almost surely, 2^145244432 is an apocalyptic number.

It is an amenable number.

145244432 is a deficient number, since it is larger than the sum of its proper divisors (136166686).

145244432 is an equidigital number, since it uses as much as digits as its factorization.

145244432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077785 (or 9077779 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 145244432 is about 12051.7397914160. The cubic root of 145244432 is about 525.6538272696.

Adding to 145244432 its reverse (234442541), we get a palindrome (379686973).

The spelling of 145244432 in words is "one hundred forty-five million, two hundred forty-four thousand, four hundred thirty-two".