145316432 has 10 divisors (see below), whose sum is σ = 281550618. Its totient is φ = 72658208.

The previous prime is 145316399. The next prime is 145316443. The reversal of 145316432 is 234613541.

It can be written as a sum of positive squares in only one way, i.e., 91087936 + 54228496 = 9544^2 + 7364^2 .

It is a super-2 number, since 2×145316432² = 42233730818421248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145316395 and 145316404.

It is a congruent number.

It is an unprimeable number.

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, 4541123 + ... + 4541154.

Almost surely, 2^145316432 is an apocalyptic number.

It is an amenable number.

145316432 is a deficient number, since it is larger than the sum of its proper divisors (136234186).

145316432 is an equidigital number, since it uses as much as digits as its factorization.

145316432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082285 (or 9082279 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 145316432 is about 12054.7265419005. The cubic root of 145316432 is about 525.7406712722.

Adding to 145316432 its reverse (234613541), we get a palindrome (379929973).

The spelling of 145316432 in words is "one hundred forty-five million, three hundred sixteen thousand, four hundred thirty-two".