145006 has 4 divisors (see below), whose sum is σ = 217512. Its totient is φ = 72502.

The previous prime is 144983. The next prime is 145007. The reversal of 145006 is 600541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 600541 = 311 ⋅1931.

It is a plaindrome in base 16.

It is a congruent number.

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

145006 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 as a sum of consecutive naturals, namely, 36250 + ... + 36253.

It is an arithmetic number, because the mean of its divisors is an integer number (54378).

2¹⁴⁵⁰⁰⁶ is an apocalyptic number.

145006 is a deficient number, since it is larger than the sum of its proper divisors (72506).

145006 is an equidigital number, since it uses as much as digits as its factorization.

145006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72505.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 145006 is about 380.7965335977. The cubic root of 145006 is about 52.5366033477.

Adding to 145006 its reverse (600541), we get a palindrome (745547).

Subtracting 145006 from its reverse (600541), we obtain a triangular number (455535 = T₉₅₄).

The spelling of 145006 in words is "one hundred forty-five thousand, six".