143401420 has 12 divisors (see below), whose sum is σ = 301143024. Its totient is φ = 57360560.

The previous prime is 143401387. The next prime is 143401429. The reversal of 143401420 is 24104341.

It is not an unprimeable number, because it can be changed into a prime (143401429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585016 + ... + 3585055.

It is an arithmetic number, because the mean of its divisors is an integer number (25095252).

Almost surely, 2^143401420 is an apocalyptic number.

143401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143401420 is an abundant number, since it is smaller than the sum of its proper divisors (157741604).

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

143401420 is a wasteful number, since it uses less digits than its factorization.

143401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170080 (or 7170078 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 143401420 is about 11975.0331941085. The cubic root of 143401420 is about 523.4210093773.

Adding to 143401420 its reverse (24104341), we get a palindrome (167505761).

The spelling of 143401420 in words is "one hundred forty-three million, four hundred one thousand, four hundred twenty".