143487138 has 8 divisors (see below), whose sum is σ = 286974288. Its totient is φ = 47829044.

The previous prime is 143487109. The next prime is 143487181. The reversal of 143487138 is 831784341.

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

143487138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 143487096 and 143487105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11957256 + ... + 11957267.

It is an arithmetic number, because the mean of its divisors is an integer number (35871786).

Almost surely, 2^143487138 is an apocalyptic number.

143487138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

143487138 is a wasteful number, since it uses less digits than its factorization.

143487138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23914528.

The product of its digits is 64512, while the sum is 39.

The square root of 143487138 is about 11978.6116891733. The cubic root of 143487138 is about 523.5252799984.

The spelling of 143487138 in words is "one hundred forty-three million, four hundred eighty-seven thousand, one hundred thirty-eight".