143725224 has 32 divisors (see below), whose sum is σ = 359856000. Its totient is φ = 47836032.

The previous prime is 143725223. The next prime is 143725237. The reversal of 143725224 is 422527341.

143725224 = 37² + 38² + ... + 755².

143725224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143725191 and 143725200.

It is not an unprimeable number, because it can be changed into a prime (143725223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13092 + ... + 21420.

It is an arithmetic number, because the mean of its divisors is an integer number (11245500).

Almost surely, 2^143725224 is an apocalyptic number.

It is an amenable number.

143725224 is an abundant number, since it is smaller than the sum of its proper divisors (216130776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143725224 is a wasteful number, since it uses less digits than its factorization.

143725224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057 (or 9053 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 143725224 is about 11988.5455331329. The cubic root of 143725224 is about 523.8146791391.

The spelling of 143725224 in words is "one hundred forty-three million, seven hundred twenty-five thousand, two hundred twenty-four".