145141 has 4 divisors (see below), whose sum is σ = 152800. Its totient is φ = 137484.

The previous prime is 145139. The next prime is 145177. The reversal of 145141 is 141541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141541 = 59 ⋅2399.

It is not a de Polignac number, because 145141 - 2¹ = 145139 is a prime.

It is a Duffinian number.

145141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145121) 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 3 ways as a sum of consecutive naturals, for example, 3801 + ... + 3838.

It is an arithmetic number, because the mean of its divisors is an integer number (38200).

2¹⁴⁵¹⁴¹ is an apocalyptic number.

It is an amenable number.

145141 is a deficient number, since it is larger than the sum of its proper divisors (7659).

145141 is an equidigital number, since it uses as much as digits as its factorization.

145141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7658.

The product of its digits is 80, while the sum is 16.

The square root of 145141 is about 380.9737523767. The cubic root of 145141 is about 52.5529020792.

Adding to 145141 its reverse (141541), we get a palindrome (286682).

Subtracting from 145141 its reverse (141541), we obtain a square (3600 = 60²).

The spelling of 145141 in words is "one hundred forty-five thousand, one hundred forty-one".