983145 has 8 divisors (see below), whose sum is σ = 1573056. Its totient is φ = 524336.

The previous prime is 983141. The next prime is 983149. The reversal of 983145 is 541389.

It is an interprime number because it is at equal distance from previous prime (983141) and next prime (983149).

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 983145 - 2² = 983141 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 983145.

It is not an unprimeable number, because it can be changed into a prime (983141) 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, 32757 + ... + 32786.

It is an arithmetic number, because the mean of its divisors is an integer number (196632).

2⁹⁸³¹⁴⁵ is an apocalyptic number.

It is an amenable number.

983145 is a deficient number, since it is larger than the sum of its proper divisors (589911).

983145 is a wasteful number, since it uses less digits than its factorization.

983145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65551.

The product of its digits is 4320, while the sum is 30.

The square root of 983145 is about 991.5366861594. The cubic root of 983145 is about 99.4349802057.

It can be divided in two parts, 983 and 145, that added together give a triangular number (1128 = T₄₇).

The spelling of 983145 in words is "nine hundred eighty-three thousand, one hundred forty-five".