30142004 has 6 divisors (see below), whose sum is σ = 52748514. Its totient is φ = 15071000.

The previous prime is 30141977. The next prime is 30142009. The reversal of 30142004 is 40024103.

It can be written as a sum of positive squares in only one way, i.e., 29181604 + 960400 = 5402^2 + 980^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30142004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3767747 + ... + 3767754.

It is an arithmetic number, because the mean of its divisors is an integer number (8791419).

Almost surely, 2^30142004 is an apocalyptic number.

It is an amenable number.

30142004 is a deficient number, since it is larger than the sum of its proper divisors (22606510).

30142004 is a wasteful number, since it uses less digits than its factorization.

30142004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7535505 (or 7535503 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 30142004 is about 5490.1734034546. The cubic root of 30142004 is about 311.2127451203.

Adding to 30142004 its reverse (40024103), we get a palindrome (70166107).

The spelling of 30142004 in words is "thirty million, one hundred forty-two thousand, four".