143121352 has 16 divisors (see below), whose sum is σ = 292748400. Its totient is φ = 65055120.

The previous prime is 143121347. The next prime is 143121361. The reversal of 143121352 is 253121341.

It is a happy number.

143121352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813102 + ... + 813277.

It is an arithmetic number, because the mean of its divisors is an integer number (18296775).

Almost surely, 2^143121352 is an apocalyptic number.

It is an amenable number.

143121352 is an abundant number, since it is smaller than the sum of its proper divisors (149627048).

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

143121352 is a wasteful number, since it uses less digits than its factorization.

143121352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626396 (or 1626392 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 143121352 is about 11963.3336491130. Note that the first 3 decimals coincide. The cubic root of 143121352 is about 523.0800341089.

Adding to 143121352 its reverse (253121341), we get a palindrome (396242693).

The spelling of 143121352 in words is "one hundred forty-three million, one hundred twenty-one thousand, three hundred fifty-two".