143225504 has 24 divisors (see below), whose sum is σ = 287298900. Its totient is φ = 70260736.

The previous prime is 143225503. The next prime is 143225539. The reversal of 143225504 is 405522341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140469904 + 2755600 = 11852^2 + 1660^2 .

It is not an unprimeable number, because it can be changed into a prime (143225503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40529 + ... + 43920.

Almost surely, 2^143225504 is an apocalyptic number.

It is an amenable number.

143225504 is an abundant number, since it is smaller than the sum of its proper divisors (144073396).

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

143225504 is an equidigital number, since it uses as much as digits as its factorization.

143225504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84512 (or 84504 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 143225504 is about 11967.6858247533. The cubic root of 143225504 is about 523.2068882807.

Adding to 143225504 its reverse (405522341), we get a palindrome (548747845).

The spelling of 143225504 in words is "one hundred forty-three million, two hundred twenty-five thousand, five hundred four".