143930146 has 8 divisors (see below), whose sum is σ = 219554640. Its totient is φ = 70745268.

The previous prime is 143930107. The next prime is 143930147. The reversal of 143930146 is 641039341.

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

It is not an unprimeable number, because it can be changed into a prime (143930147) 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, 609756 + ... + 609991.

It is an arithmetic number, because the mean of its divisors is an integer number (27444330).

Almost surely, 2^143930146 is an apocalyptic number.

143930146 is a deficient number, since it is larger than the sum of its proper divisors (75624494).

143930146 is a wasteful number, since it uses less digits than its factorization.

143930146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219808.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 143930146 is about 11997.0890636021. The cubic root of 143930146 is about 524.0635108420.

Adding to 143930146 its reverse (641039341), we get a palindrome (784969487).

The spelling of 143930146 in words is "one hundred forty-three million, nine hundred thirty thousand, one hundred forty-six".