30145422 has 16 divisors (see below), whose sum is σ = 60877440. Its totient is φ = 9950712.

The previous prime is 30145333. The next prime is 30145439. The reversal of 30145422 is 22454103.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23772 + ... + 25007.

It is an arithmetic number, because the mean of its divisors is an integer number (3804840).

Almost surely, 2^30145422 is an apocalyptic number.

30145422 is an abundant number, since it is smaller than the sum of its proper divisors (30732018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30145422 is a wasteful number, since it uses less digits than its factorization.

30145422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48887.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 30145422 is about 5490.4846780589. The cubic root of 30145422 is about 311.2245081621.

Adding to 30145422 its reverse (22454103), we get a palindrome (52599525).

It can be divided in two parts, 301454 and 22, that added together give a triangular number (301476 = T₇₇₆).

The spelling of 30145422 in words is "thirty million, one hundred forty-five thousand, four hundred twenty-two".