143401204 has 6 divisors (see below), whose sum is σ = 250952114. Its totient is φ = 71700600.

The previous prime is 143401187. The next prime is 143401207. The reversal of 143401204 is 402104341.

It can be written as a sum of positive squares in only one way, i.e., 130005604 + 13395600 = 11402^2 + 3660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143401207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17925147 + ... + 17925154.

Almost surely, 2^143401204 is an apocalyptic number.

It is an amenable number.

143401204 is a deficient number, since it is larger than the sum of its proper divisors (107550910).

143401204 is a wasteful number, since it uses less digits than its factorization.

143401204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35850305 (or 35850303 counting only the distinct ones).

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

The square root of 143401204 is about 11975.0241753409. The cubic root of 143401204 is about 523.4207465742.

Adding to 143401204 its reverse (402104341), we get a palindrome (545505545).

The spelling of 143401204 in words is "one hundred forty-three million, four hundred one thousand, two hundred four".