143081472 has 120 divisors (see below), whose sum is σ = 396349632. Its totient is φ = 45875200.

The previous prime is 143081467. The next prime is 143081507. The reversal of 143081472 is 274180341.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2015197 + ... + 2015267.

Almost surely, 2^143081472 is an apocalyptic number.

143081472 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 143081472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198174816).

143081472 is an abundant number, since it is smaller than the sum of its proper divisors (253268160).

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

143081472 is an frugal number, since it uses more digits than its factorization.

143081472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 143081472 is about 11961.6667734894. Note that the first 3 decimals coincide. The cubic root of 143081472 is about 523.0314451101.

The spelling of 143081472 in words is "one hundred forty-three million, eighty-one thousand, four hundred seventy-two".