30140465 has 16 divisors (see below), whose sum is σ = 38016000. Its totient is φ = 22896192.

The previous prime is 30140449. The next prime is 30140477. The reversal of 30140465 is 56404103.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30140465 - 2⁴ = 30140449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 30140465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16256 + ... + 18014.

It is an arithmetic number, because the mean of its divisors is an integer number (2376000).

Almost surely, 2^30140465 is an apocalyptic number.

It is an amenable number.

30140465 is a deficient number, since it is larger than the sum of its proper divisors (7875535).

30140465 is a wasteful number, since it uses less digits than its factorization.

30140465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936.

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

The square root of 30140465 is about 5490.0332421580. The cubic root of 30140465 is about 311.2074483638.

Adding to 30140465 its reverse (56404103), we get a palindrome (86544568).

The spelling of 30140465 in words is "thirty million, one hundred forty thousand, four hundred sixty-five".