143401012 has 12 divisors (see below), whose sum is σ = 253437156. Its totient is φ = 70990400.

The previous prime is 143401003. The next prime is 143401019. The reversal of 143401012 is 210104341.

It can be written as a sum of positive squares in 2 ways, for example, as 137030436 + 6370576 = 11706^2 + 2524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143401019) 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, 177073 + ... + 177880.

It is an arithmetic number, because the mean of its divisors is an integer number (21119763).

Almost surely, 2^143401012 is an apocalyptic number.

It is an amenable number.

143401012 is a deficient number, since it is larger than the sum of its proper divisors (110036144).

143401012 is a wasteful number, since it uses less digits than its factorization.

143401012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355058 (or 355056 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 143401012 is about 11975.0161586530. The cubic root of 143401012 is about 523.4205129713.

Adding to 143401012 its reverse (210104341), we get a palindrome (353505353).

The spelling of 143401012 in words is "one hundred forty-three million, four hundred one thousand, twelve".