145306 has 16 divisors (see below), whose sum is σ = 254016. Its totient is φ = 61056.

The previous prime is 145303. The next prime is 145307. The reversal of 145306 is 603541.

It is a super-2 number, since 2×145306² = 42227667272, which contains 22 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (145303) 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, 1305 + ... + 1411.

It is an arithmetic number, because the mean of its divisors is an integer number (15876).

2¹⁴⁵³⁰⁶ is an apocalyptic number.

145306 is a deficient number, since it is larger than the sum of its proper divisors (108710).

145306 is a wasteful number, since it uses less digits than its factorization.

145306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 145306 is about 381.1902412182. The cubic root of 145306 is about 52.5728090318.

Adding to 145306 its reverse (603541), we get a palindrome (748847).

The spelling of 145306 in words is "one hundred forty-five thousand, three hundred six".