30142265 has 16 divisors (see below), whose sum is σ = 38478720. Its totient is φ = 22602240.

The previous prime is 30142247. The next prime is 30142267. The reversal of 30142265 is 56224103.

30142265 = T₃₁₀ + T₃₁₁ + ... + T₅₉₄.

It is not a de Polignac number, because 30142265 - 2⁶ = 30142201 is a prime.

It is a super-2 number, since 2×30142265² = 1817112278660450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30142265.

It is not an unprimeable number, because it can be changed into a prime (30142267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7580 + ... + 10850.

It is an arithmetic number, because the mean of its divisors is an integer number (2404920).

Almost surely, 2^30142265 is an apocalyptic number.

It is an amenable number.

30142265 is a deficient number, since it is larger than the sum of its proper divisors (8336455).

30142265 is a wasteful number, since it uses less digits than its factorization.

30142265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 30142265 is about 5490.1971731441. The cubic root of 30142265 is about 311.2136433827.

Adding to 30142265 its reverse (56224103), we get a palindrome (86366368).

The spelling of 30142265 in words is "thirty million, one hundred forty-two thousand, two hundred sixty-five".