143146272 has 96 divisors (see below), whose sum is σ = 387072000. Its totient is φ = 46303488.

The previous prime is 143146271. The next prime is 143146309. The reversal of 143146272 is 272641341.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (143146271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719229 + ... + 719427.

It is an arithmetic number, because the mean of its divisors is an integer number (4032000).

Almost surely, 2^143146272 is an apocalyptic number.

143146272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143146272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193536000).

143146272 is an abundant number, since it is smaller than the sum of its proper divisors (243925728).

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

143146272 is a wasteful number, since it uses less digits than its factorization.

143146272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 390 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 143146272 is about 11964.3751194954. The cubic root of 143146272 is about 523.1103915592.

It can be divided in two parts, 14 and 3146272, that added together give a triangular number (3146286 = T₂₅₀₈).

The spelling of 143146272 in words is "one hundred forty-three million, one hundred forty-six thousand, two hundred seventy-two".