143255144 has 8 divisors (see below), whose sum is σ = 268603410. Its totient is φ = 71627568.

The previous prime is 143255093. The next prime is 143255149. The reversal of 143255144 is 441552341.

It can be written as a sum of positive squares in only one way, i.e., 116856100 + 26399044 = 10810^2 + 5138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (143255149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8953439 + ... + 8953454.

Almost surely, 2^143255144 is an apocalyptic number.

It is an amenable number.

143255144 is a deficient number, since it is larger than the sum of its proper divisors (125348266).

143255144 is a wasteful number, since it uses less digits than its factorization.

143255144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17906899 (or 17906895 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 143255144 is about 11968.9240953396. The cubic root of 143255144 is about 523.2429777157.

The spelling of 143255144 in words is "one hundred forty-three million, two hundred fifty-five thousand, one hundred forty-four".