143244772 has 24 divisors (see below), whose sum is σ = 277324992. Its totient is φ = 64192800.

The previous prime is 143244749. The next prime is 143244779. The reversal of 143244772 is 277442341.

143244772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (143244779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19803 + ... + 26050.

It is an arithmetic number, because the mean of its divisors is an integer number (11555208).

Almost surely, 2^143244772 is an apocalyptic number.

It is an amenable number.

143244772 is a deficient number, since it is larger than the sum of its proper divisors (134080220).

143244772 is a wasteful number, since it uses less digits than its factorization.

143244772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45939 (or 45937 counting only the distinct ones).

The product of its digits is 37632, while the sum is 34.

The square root of 143244772 is about 11968.4907987599. The cubic root of 143244772 is about 523.2303494149.

The spelling of 143244772 in words is "one hundred forty-three million, two hundred forty-four thousand, seven hundred seventy-two".