143143272 has 24 divisors (see below), whose sum is σ = 387679890. Its totient is φ = 47714400.

The previous prime is 143143261. The next prime is 143143309. The reversal of 143143272 is 272341341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 71673156 + 71470116 = 8466^2 + 8454^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 993979 + ... + 994122.

Almost surely, 2^143143272 is an apocalyptic number.

143143272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143143272 is an abundant number, since it is smaller than the sum of its proper divisors (244536618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143143272 is a wasteful number, since it uses less digits than its factorization.

143143272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988113 (or 1988106 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 143143272 is about 11964.2497466410. The cubic root of 143143272 is about 523.1067371570.

It can be divided in two parts, 1431432 and 72, that multiplied together give a square (103063104 = 10152²).

The spelling of 143143272 in words is "one hundred forty-three million, one hundred forty-three thousand, two hundred seventy-two".