143270144 has 18 divisors (see below), whose sum is σ = 285981150. Its totient is φ = 71634944.

The previous prime is 143270143. The next prime is 143270161. The reversal of 143270144 is 441072341.

It can be written as a sum of positive squares in only one way, i.e., 142086400 + 1183744 = 11920^2 + 1088^2 .

It is not an unprimeable number, because it can be changed into a prime (143270143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279569 + ... + 280080.

Almost surely, 2^143270144 is an apocalyptic number.

It is an amenable number.

143270144 is a deficient number, since it is larger than the sum of its proper divisors (142711006).

143270144 is an frugal number, since it uses more digits than its factorization.

143270144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559665 (or 559651 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 143270144 is about 11969.5507016763. The cubic root of 143270144 is about 523.2612397027.

The spelling of 143270144 in words is "one hundred forty-three million, two hundred seventy thousand, one hundred forty-four".