143442425 has 48 divisors (see below), whose sum is σ = 212462592. Its totient is φ = 94003200.

The previous prime is 143442407. The next prime is 143442443. The reversal of 143442425 is 524244341.

It is an interprime number because it is at equal distance from previous prime (143442407) and next prime (143442443).

It is not a de Polignac number, because 143442425 - 2⁶ = 143442361 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 743129 + ... + 743321.

It is an arithmetic number, because the mean of its divisors is an integer number (4426304).

Almost surely, 2^143442425 is an apocalyptic number.

It is an amenable number.

143442425 is a deficient number, since it is larger than the sum of its proper divisors (69020167).

143442425 is a wasteful number, since it uses less digits than its factorization.

143442425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 373 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 143442425 is about 11976.7451755475. The cubic root of 143442425 is about 523.4708945948.

Adding to 143442425 its reverse (524244341), we get a palindrome (667686766).

The spelling of 143442425 in words is "one hundred forty-three million, four hundred forty-two thousand, four hundred twenty-five".