143906452 has 24 divisors (see below), whose sum is σ = 254318400. Its totient is φ = 71248320.

The previous prime is 143906447. The next prime is 143906453. The reversal of 143906452 is 254609341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143906453) 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 7 ways as a sum of consecutive naturals, for example, 275952 + ... + 276472.

It is an arithmetic number, because the mean of its divisors is an integer number (10596600).

Almost surely, 2^143906452 is an apocalyptic number.

It is an amenable number.

143906452 is a deficient number, since it is larger than the sum of its proper divisors (110411948).

143906452 is a wasteful number, since it uses less digits than its factorization.

143906452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 143906452 is about 11996.1015334149. The cubic root of 143906452 is about 524.0347518859.

The spelling of 143906452 in words is "one hundred forty-three million, nine hundred six thousand, four hundred fifty-two".