30144275 has 24 divisors (see below), whose sum is σ = 42940704. Its totient is φ = 20563200.

The previous prime is 30144269. The next prime is 30144293. The reversal of 30144275 is 57244103.

It is not a de Polignac number, because 30144275 - 2⁴ = 30144259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48869 + ... + 49481.

It is an arithmetic number, because the mean of its divisors is an integer number (1789196).

Almost surely, 2^30144275 is an apocalyptic number.

30144275 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30144275 is a deficient number, since it is larger than the sum of its proper divisors (12796429).

30144275 is a wasteful number, since it uses less digits than its factorization.

30144275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 30144275 is about 5490.3802236275. The cubic root of 30144275 is about 311.2205608625.

Adding to 30144275 its reverse (57244103), we get a palindrome (87388378).

The spelling of 30144275 in words is "thirty million, one hundred forty-four thousand, two hundred seventy-five".