143002121400 has 288 divisors, whose sum is σ = 494685079200. Its totient is φ = 36993715200.

The previous prime is 143002121359. The next prime is 143002121413. The reversal of 143002121400 is 4121200341.

143002121400 is a `hidden beast` number, since 1 + 430 + 0 + 21 + 214 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23906410 + ... + 23912390.

It is an arithmetic number, because the mean of its divisors is an integer number (1717656525).

Almost surely, 2^143002121400 is an apocalyptic number.

143002121400 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 143002121400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247342539600).

143002121400 is an abundant number, since it is smaller than the sum of its proper divisors (351682957800).

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

143002121400 is a wasteful number, since it uses less digits than its factorization.

143002121400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399 (or 6387 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 143002121400 its reverse (4121200341), we get a palindrome (147123321741).

The spelling of 143002121400 in words is "one hundred forty-three billion, two million, one hundred twenty-one thousand, four hundred".