145605943 has 8 divisors (see below), whose sum is σ = 168055200. Its totient is φ = 123568800.

The previous prime is 145605931. The next prime is 145605947. The reversal of 145605943 is 349506541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145605943 - 2⁹ = 145605431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145605947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102268 + ... + 103681.

It is an arithmetic number, because the mean of its divisors is an integer number (21006900).

Almost surely, 2^145605943 is an apocalyptic number.

145605943 is a deficient number, since it is larger than the sum of its proper divisors (22449257).

145605943 is a wasteful number, since it uses less digits than its factorization.

145605943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206057.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 145605943 is about 12066.7287613504. The cubic root of 145605943 is about 526.0895805158.

It can be divided in two parts, 14560 and 5943, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 145605943 in words is "one hundred forty-five million, six hundred five thousand, nine hundred forty-three".