143173152 has 72 divisors (see below), whose sum is σ = 408333744. Its totient is φ = 47585664.

The previous prime is 143173103. The next prime is 143173157. The reversal of 143173152 is 251371341.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (143173157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161703 + ... + 162585.

It is an arithmetic number, because the mean of its divisors is an integer number (5671302).

Almost surely, 2^143173152 is an apocalyptic number.

143173152 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 143173152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204166872).

143173152 is an abundant number, since it is smaller than the sum of its proper divisors (265160592).

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

143173152 is a wasteful number, since it uses less digits than its factorization.

143173152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462 (or 1451 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 143173152 is about 11965.4984016547. The cubic root of 143173152 is about 523.1431327245.

The spelling of 143173152 in words is "one hundred forty-three million, one hundred seventy-three thousand, one hundred fifty-two".