145905332 has 24 divisors (see below), whose sum is σ = 270009600. Its totient is φ = 68795136.

The previous prime is 145905317. The next prime is 145905379. The reversal of 145905332 is 233509541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12644 + ... + 21252.

It is an arithmetic number, because the mean of its divisors is an integer number (11250400).

Almost surely, 2^145905332 is an apocalyptic number.

It is an amenable number.

145905332 is a deficient number, since it is larger than the sum of its proper divisors (124104268).

145905332 is a wasteful number, since it uses less digits than its factorization.

145905332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8855 (or 8853 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 145905332 is about 12079.1279486559. The cubic root of 145905332 is about 526.4499083093.

The spelling of 145905332 in words is "one hundred forty-five million, nine hundred five thousand, three hundred thirty-two".