143198040 has 64 divisors (see below), whose sum is σ = 430990560. Its totient is φ = 38062080.

The previous prime is 143197963. The next prime is 143198047. The reversal of 143198040 is 40891341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 143197989 and 143198007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143198047) 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, 38670 + ... + 42210.

Almost surely, 2^143198040 is an apocalyptic number.

143198040 is a gapful number since it is divisible by the number (10) 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 143198040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215495280).

143198040 is an abundant number, since it is smaller than the sum of its proper divisors (287792520).

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

143198040 is a wasteful number, since it uses less digits than its factorization.

143198040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 143198040 is about 11966.5383465729. The cubic root of 143198040 is about 523.1734438821.

The spelling of 143198040 in words is "one hundred forty-three million, one hundred ninety-eight thousand, forty".