143897214 has 16 divisors (see below), whose sum is σ = 304723728. Its totient is φ = 45144192.

The previous prime is 143897213. The next prime is 143897219. The reversal of 143897214 is 412798341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143897213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705277 + ... + 705480.

It is an arithmetic number, because the mean of its divisors is an integer number (19045233).

Almost surely, 2^143897214 is an apocalyptic number.

143897214 is an abundant number, since it is smaller than the sum of its proper divisors (160826514).

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

143897214 is a wasteful number, since it uses less digits than its factorization.

143897214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410779.

The product of its digits is 48384, while the sum is 39.

The square root of 143897214 is about 11995.7164854793. The cubic root of 143897214 is about 524.0235382663.

The spelling of 143897214 in words is "one hundred forty-three million, eight hundred ninety-seven thousand, two hundred fourteen".