30143004 has 12 divisors (see below), whose sum is σ = 70333704. Its totient is φ = 10047664.

The previous prime is 30142993. The next prime is 30143011. The reversal of 30143004 is 40034103.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255947 + ... + 1255970.

It is an arithmetic number, because the mean of its divisors is an integer number (5861142).

Almost surely, 2^30143004 is an apocalyptic number.

It is an amenable number.

30143004 is an abundant number, since it is smaller than the sum of its proper divisors (40190700).

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

30143004 is a wasteful number, since it uses less digits than its factorization.

30143004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511924 (or 2511922 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30143004 is about 5490.2644745039. The cubic root of 30143004 is about 311.2161867108.

Adding to 30143004 its reverse (40034103), we get a palindrome (70177107).

The spelling of 30143004 in words is "thirty million, one hundred forty-three thousand, four".