143889049 has 8 divisors (see below), whose sum is σ = 149177952. Its totient is φ = 138684960.

The previous prime is 143889029. The next prime is 143889079. The reversal of 143889049 is 940988341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143889049 - 2⁵ = 143889017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143889019) 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, 17739 + ... + 24544.

It is an arithmetic number, because the mean of its divisors is an integer number (18647244).

Almost surely, 2^143889049 is an apocalyptic number.

It is an amenable number.

143889049 is a deficient number, since it is larger than the sum of its proper divisors (5288903).

143889049 is an equidigital number, since it uses as much as digits as its factorization.

143889049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42407.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 143889049 is about 11995.3761508341. The cubic root of 143889049 is about 524.0136267167.

The spelling of 143889049 in words is "one hundred forty-three million, eight hundred eighty-nine thousand, forty-nine".