30144494 has 4 divisors (see below), whose sum is σ = 45216744. Its totient is φ = 15072246.

The previous prime is 30144487. The next prime is 30144503. The reversal of 30144494 is 49444103.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7536122 + ... + 7536125.

It is an arithmetic number, because the mean of its divisors is an integer number (11304186).

Almost surely, 2^30144494 is an apocalyptic number.

30144494 is a deficient number, since it is larger than the sum of its proper divisors (15072250).

30144494 is a wasteful number, since it uses less digits than its factorization.

30144494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15072249.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 30144494 is about 5490.4001675652. The cubic root of 30144494 is about 311.2213145394.

Adding to 30144494 its reverse (49444103), we get a palindrome (79588597).

The spelling of 30144494 in words is "thirty million, one hundred forty-four thousand, four hundred ninety-four".