143242625 has 16 divisors (see below), whose sum is σ = 179647104. Its totient is φ = 114030000.

The previous prime is 143242621. The next prime is 143242639. The reversal of 143242625 is 526242341.

It is not a de Polignac number, because 143242625 - 2² = 143242621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143242621) 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 15 ways as a sum of consecutive naturals, for example, 23660 + ... + 29090.

It is an arithmetic number, because the mean of its divisors is an integer number (11227944).

Almost surely, 2^143242625 is an apocalyptic number.

It is an amenable number.

143242625 is a deficient number, since it is larger than the sum of its proper divisors (36404479).

143242625 is an equidigital number, since it uses as much as digits as its factorization.

143242625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657 (or 5647 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 143242625 is about 11968.4011045753. The cubic root of 143242625 is about 523.2277352853.

Adding to 143242625 its reverse (526242341), we get a palindrome (669484966).

The spelling of 143242625 in words is "one hundred forty-three million, two hundred forty-two thousand, six hundred twenty-five".