30245042 has 4 divisors (see below), whose sum is σ = 45367566. Its totient is φ = 15122520.

The previous prime is 30245027. The next prime is 30245087. The reversal of 30245042 is 24054203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17147881 + 13097161 = 4141^2 + 3619^2 .

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 as a sum of consecutive naturals, namely, 7561259 + ... + 7561262.

Almost surely, 2^30245042 is an apocalyptic number.

30245042 is a deficient number, since it is larger than the sum of its proper divisors (15122524).

30245042 is a wasteful number, since it uses less digits than its factorization.

30245042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15122523.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30245042 is about 5499.5492542571. The cubic root of 30245042 is about 311.5669603309.

Adding to 30245042 its reverse (24054203), we get a palindrome (54299245).

The spelling of 30245042 in words is "thirty million, two hundred forty-five thousand, forty-two".