143403472 has 20 divisors (see below), whose sum is σ = 278037760. Its totient is φ = 71651808.

The previous prime is 143403467. The next prime is 143403479. The reversal of 143403472 is 274304341.

It is a self number, because there is not a number n which added to its sum of digits gives 143403472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143403479) 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, 33823 + ... + 37825.

It is an arithmetic number, because the mean of its divisors is an integer number (13901888).

Almost surely, 2^143403472 is an apocalyptic number.

It is an amenable number.

143403472 is a deficient number, since it is larger than the sum of its proper divisors (134634288).

143403472 is a wasteful number, since it uses less digits than its factorization.

143403472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6250 (or 6244 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 143403472 is about 11975.1188720614. The cubic root of 143403472 is about 523.4235059931.

The spelling of 143403472 in words is "one hundred forty-three million, four hundred three thousand, four hundred seventy-two".