143449372 has 36 divisors (see below), whose sum is σ = 277110288. Its totient is φ = 64926400.

The previous prime is 143449363. The next prime is 143449379. The reversal of 143449372 is 273944341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143449379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150048 + ... + 151000.

It is an arithmetic number, because the mean of its divisors is an integer number (7697508).

Almost surely, 2^143449372 is an apocalyptic number.

It is an amenable number.

143449372 is a deficient number, since it is larger than the sum of its proper divisors (133660916).

143449372 is a wasteful number, since it uses less digits than its factorization.

143449372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1277 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 143449372 is about 11977.0351924005. The cubic root of 143449372 is about 523.4793451249.

It can be divided in two parts, 14344 and 9372, that added together give a square (23716 = 154²).

The spelling of 143449372 in words is "one hundred forty-three million, four hundred forty-nine thousand, three hundred seventy-two".