143225516 has 24 divisors (see below), whose sum is σ = 286898976. Its totient is φ = 61286400.

The previous prime is 143225503. The next prime is 143225539. The reversal of 143225516 is 615522341.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15980 + ... + 23276.

It is an arithmetic number, because the mean of its divisors is an integer number (11954124).

Almost surely, 2^143225516 is an apocalyptic number.

It is an amenable number.

143225516 is an abundant number, since it is smaller than the sum of its proper divisors (143673460).

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

143225516 is a wasteful number, since it uses less digits than its factorization.

143225516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009 (or 8007 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 143225516 is about 11967.6863261033. The cubic root of 143225516 is about 523.2069028928.

Adding to 143225516 its reverse (615522341), we get a palindrome (758747857).

The spelling of 143225516 in words is "one hundred forty-three million, two hundred twenty-five thousand, five hundred sixteen".