145017 has 16 divisors (see below), whose sum is σ = 221760. Its totient is φ = 93600.

The previous prime is 145009. The next prime is 145021. The reversal of 145017 is 710541.

It is not a de Polignac number, because 145017 - 2³ = 145009 is a prime.

It is an Ulam number.

145017 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (145007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042 + ... + 1172.

It is an arithmetic number, because the mean of its divisors is an integer number (13860).

2¹⁴⁵⁰¹⁷ is an apocalyptic number.

It is an amenable number.

145017 is a deficient number, since it is larger than the sum of its proper divisors (76743).

145017 is a wasteful number, since it uses less digits than its factorization.

145017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 145017 is about 380.8109767326. The cubic root of 145017 is about 52.5379317710.

Adding to 145017 its reverse (710541), we get a palindrome (855558).

The spelling of 145017 in words is "one hundred forty-five thousand, seventeen".