143401302 has 48 divisors (see below), whose sum is σ = 346851648. Its totient is φ = 42441840.

The previous prime is 143401267. The next prime is 143401309. The reversal of 143401302 is 203104341.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143401309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93 + ... + 16935.

It is an arithmetic number, because the mean of its divisors is an integer number (7226076).

Almost surely, 2^143401302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143401302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173425824).

143401302 is an abundant number, since it is smaller than the sum of its proper divisors (203450346).

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

143401302 is a wasteful number, since it uses less digits than its factorization.

143401302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16905 (or 16902 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 143401302 is about 11975.0282671900. The cubic root of 143401302 is about 523.4208658090.

Adding to 143401302 its reverse (203104341), we get a palindrome (346505643).

The spelling of 143401302 in words is "one hundred forty-three million, four hundred one thousand, three hundred two".