143814121 has 16 divisors (see below), whose sum is σ = 160963200. Its totient is φ = 127388800.

The previous prime is 143814113. The next prime is 143814131. The reversal of 143814121 is 121418341.

143814121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143814121 - 2³ = 143814113 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143814131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68475 + ... + 70543.

It is an arithmetic number, because the mean of its divisors is an integer number (10060200).

Almost surely, 2^143814121 is an apocalyptic number.

143814121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143814121 is a deficient number, since it is larger than the sum of its proper divisors (17149079).

143814121 is a wasteful number, since it uses less digits than its factorization.

143814121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240.

The product of its digits is 768, while the sum is 25.

The square root of 143814121 is about 11992.2525407031. The cubic root of 143814121 is about 523.9226535896.

The spelling of 143814121 in words is "one hundred forty-three million, eight hundred fourteen thousand, one hundred twenty-one".