145544143 has 2 divisors, whose sum is σ = 145544144. Its totient is φ = 145544142.

The previous prime is 145544129. The next prime is 145544173. The reversal of 145544143 is 341445541.

It is a weak prime.

It is an emirp because it is prime and its reverse (341445541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145544143 - 2⁵ = 145544111 is a prime.

It is equal to p_8207482 and since 145544143 and 8207482 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145544173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72772071 + 72772072.

It is an arithmetic number, because the mean of its divisors is an integer number (72772072).

Almost surely, 2^145544143 is an apocalyptic number.

145544143 is a deficient number, since it is larger than the sum of its proper divisors (1).

145544143 is an equidigital number, since it uses as much as digits as its factorization.

145544143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The square root of 145544143 is about 12064.1677292717. The cubic root of 145544143 is about 526.0151400173.

Adding to 145544143 its reverse (341445541), we get a palindrome (486989684).

The spelling of 145544143 in words is "one hundred forty-five million, five hundred forty-four thousand, one hundred forty-three".