143541425 has 12 divisors (see below), whose sum is σ = 179994060. Its totient is φ = 113541120.

The previous prime is 143541379. The next prime is 143541427. The reversal of 143541425 is 524145341.

It can be written as a sum of positive squares in 6 ways, for example, as 28472896 + 115068529 = 5336^2 + 10727^2 .

It is not a de Polignac number, because 143541425 - 2⁶ = 143541361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143541427) 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 11 ways as a sum of consecutive naturals, for example, 30032 + ... + 34481.

It is an arithmetic number, because the mean of its divisors is an integer number (14999505).

Almost surely, 2^143541425 is an apocalyptic number.

It is an amenable number.

143541425 is a deficient number, since it is larger than the sum of its proper divisors (36452635).

143541425 is an equidigital number, since it uses as much as digits as its factorization.

143541425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64612 (or 64607 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 143541425 is about 11980.8774720385. The cubic root of 143541425 is about 523.5912952845.

Adding to 143541425 its reverse (524145341), we get a palindrome (667686766).

The spelling of 143541425 in words is "one hundred forty-three million, five hundred forty-one thousand, four hundred twenty-five".