30190146 has 16 divisors (see below), whose sum is σ = 69006144. Its totient is φ = 8625744.

The previous prime is 30190141. The next prime is 30190151. The reversal of 30190146 is 64109103.

It is an interprime number because it is at equal distance from previous prime (30190141) and next prime (30190151).

It is a super-2 number, since 2×30190146² = 1822889831002632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30190141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359365 + ... + 359448.

It is an arithmetic number, because the mean of its divisors is an integer number (4312884).

Almost surely, 2^30190146 is an apocalyptic number.

30190146 is an abundant number, since it is smaller than the sum of its proper divisors (38815998).

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

30190146 is a wasteful number, since it uses less digits than its factorization.

30190146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718825.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 30190146 is about 5494.5560330203. The cubic root of 30190146 is about 311.3783438702.

Adding to 30190146 its reverse (64109103), we get a palindrome (94299249).

The spelling of 30190146 in words is "thirty million, one hundred ninety thousand, one hundred forty-six".