145982 has 8 divisors (see below), whose sum is σ = 223776. Its totient is φ = 71392.

The previous prime is 145969. The next prime is 145987. The reversal of 145982 is 289541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 870.

It is an arithmetic number, because the mean of its divisors is an integer number (27972).

2¹⁴⁵⁹⁸² is an apocalyptic number.

145982 is a deficient number, since it is larger than the sum of its proper divisors (77794).

145982 is a wasteful number, since it uses less digits than its factorization.

145982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602.

The product of its digits is 2880, while the sum is 29.

The square root of 145982 is about 382.0759086883. The cubic root of 145982 is about 52.6542102322.

The spelling of 145982 in words is "one hundred forty-five thousand, nine hundred eighty-two".