145211 has 8 divisors (see below), whose sum is σ = 162624. Its totient is φ = 128520.

The previous prime is 145207. The next prime is 145213. The reversal of 145211 is 112541.

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

It is a cyclic number.

It is not a de Polignac number, because 145211 - 2² = 145207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320 + ... + 626.

It is an arithmetic number, because the mean of its divisors is an integer number (20328).

2¹⁴⁵²¹¹ is an apocalyptic number.

145211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145211 is a deficient number, since it is larger than the sum of its proper divisors (17413).

145211 is a wasteful number, since it uses less digits than its factorization.

145211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 40, while the sum is 14.

The square root of 145211 is about 381.0656111485. The cubic root of 145211 is about 52.5613492947.

Adding to 145211 its reverse (112541), we get a palindrome (257752).

It can be divided in two parts, 14 and 5211, that added together give a palindrome (5225).

The spelling of 145211 in words is "one hundred forty-five thousand, two hundred eleven".