143222925 has 24 divisors (see below), whose sum is σ = 239248576. Its totient is φ = 75594240.

The previous prime is 143222921. The next prime is 143222927. The reversal of 143222925 is 529222341.

It is not a de Polignac number, because 143222925 - 2² = 143222921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 143222892 and 143222901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143222921) 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 23 ways as a sum of consecutive naturals, for example, 2569 + ... + 17118.

Almost surely, 2^143222925 is an apocalyptic number.

143222925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143222925 is a deficient number, since it is larger than the sum of its proper divisors (96025651).

143222925 is a wasteful number, since it uses less digits than its factorization.

143222925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19797 (or 19792 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 143222925 is about 11967.5780757846. The cubic root of 143222925 is about 523.2037478748.

The spelling of 143222925 in words is "one hundred forty-three million, two hundred twenty-two thousand, nine hundred twenty-five".