143371998 has 192 divisors, whose sum is σ = 421424640. Its totient is φ = 35078400.

The previous prime is 143371997. The next prime is 143372017. The reversal of 143371998 is 899173341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143371997) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3496858 + ... + 3496898.

It is an arithmetic number, because the mean of its divisors is an integer number (2194920).

Almost surely, 2^143371998 is an apocalyptic number.

143371998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 143371998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210712320).

143371998 is an abundant number, since it is smaller than the sum of its proper divisors (278052642).

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

143371998 is a wasteful number, since it uses less digits than its factorization.

143371998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 93 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 143371998 is about 11973.8046585035. The cubic root of 143371998 is about 523.3852097636.

The spelling of 143371998 in words is "one hundred forty-three million, three hundred seventy-one thousand, nine hundred ninety-eight".