143401000 has 32 divisors (see below), whose sum is σ = 335560680. Its totient is φ = 57360000.

The previous prime is 143400997. The next prime is 143401003. The reversal of 143401000 is 104341.

It is an interprime number because it is at equal distance from previous prime (143400997) and next prime (143401003).

It can be written as a sum of positive squares in 4 ways, for example, as 80389156 + 63011844 = 8966^2 + 7938^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143401003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70701 + ... + 72700.

Almost surely, 2^143401000 is an apocalyptic number.

143401000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143401000 is an abundant number, since it is smaller than the sum of its proper divisors (192159680).

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

143401000 is a wasteful number, since it uses less digits than its factorization.

143401000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143422 (or 143408 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 143401000 is about 11975.0156576098. The cubic root of 143401000 is about 523.4204983711.

Adding to 143401000 its reverse (104341), we get a palindrome (143505341).

The spelling of 143401000 in words is "one hundred forty-three million, four hundred one thousand".