145206 has 16 divisors (see below), whose sum is σ = 322800. Its totient is φ = 48384.

The previous prime is 145193. The next prime is 145207. The reversal of 145206 is 602541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145207) by changing a digit.

145206 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291 + ... + 1398.

It is an arithmetic number, because the mean of its divisors is an integer number (20175).

2¹⁴⁵²⁰⁶ is an apocalyptic number.

145206 is an abundant number, since it is smaller than the sum of its proper divisors (177594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145206 is a wasteful number, since it uses less digits than its factorization.

145206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 145206 is about 381.0590505420. The cubic root of 145206 is about 52.5607460122.

Adding to 145206 its reverse (602541), we get a palindrome (747747).

It can be divided in two parts, 145 and 206, that added together give a triangular number (351 = T₂₆).

The spelling of 145206 in words is "one hundred forty-five thousand, two hundred six".