145231341 has 4 divisors (see below), whose sum is σ = 193641792. Its totient is φ = 96820892.

The previous prime is 145231321. The next prime is 145231349. The reversal of 145231341 is 143132541.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 145231341 - 2¹⁰ = 145230317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145231349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24205221 + ... + 24205226.

It is an arithmetic number, because the mean of its divisors is an integer number (48410448).

Almost surely, 2^145231341 is an apocalyptic number.

It is an amenable number.

145231341 is a deficient number, since it is larger than the sum of its proper divisors (48410451).

145231341 is an equidigital number, since it uses as much as digits as its factorization.

145231341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48410450.

The product of its digits is 1440, while the sum is 24.

The square root of 145231341 is about 12051.1966625726. The cubic root of 145231341 is about 525.6380342580.

Adding to 145231341 its reverse (143132541), we get a palindrome (288363882).

The spelling of 145231341 in words is "one hundred forty-five million, two hundred thirty-one thousand, three hundred forty-one".