143454425 has 6 divisors (see below), whose sum is σ = 177883518. Its totient is φ = 114763520.

The previous prime is 143454419. The next prime is 143454431. The reversal of 143454425 is 524454341.

It is an interprime number because it is at equal distance from previous prime (143454419) and next prime (143454431).

It can be written as a sum of positive squares in 3 ways, for example, as 341056 + 143113369 = 584^2 + 11963^2 .

It is not a de Polignac number, because 143454425 - 2²⁰ = 142405849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143454391 and 143454400.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2869064 + ... + 2869113.

It is an arithmetic number, because the mean of its divisors is an integer number (29647253).

Almost surely, 2^143454425 is an apocalyptic number.

It is an amenable number.

143454425 is a deficient number, since it is larger than the sum of its proper divisors (34429093).

143454425 is an equidigital number, since it uses as much as digits as its factorization.

143454425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738187 (or 5738182 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 143454425 is about 11977.2461359029. The cubic root of 143454425 is about 523.4854915677.

The spelling of 143454425 in words is "one hundred forty-three million, four hundred fifty-four thousand, four hundred twenty-five".