30151146 has 16 divisors (see below), whose sum is σ = 60364800. Its totient is φ = 10039968.

The previous prime is 30151129. The next prime is 30151169. The reversal of 30151146 is 64115103.

It is a super-2 number, since 2×30151146² = 1818183210226632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5710 + ... + 9638.

It is an arithmetic number, because the mean of its divisors is an integer number (3772800).

Almost surely, 2^30151146 is an apocalyptic number.

30151146 is an abundant number, since it is smaller than the sum of its proper divisors (30213654).

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

30151146 is a wasteful number, since it uses less digits than its factorization.

30151146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 30151146 is about 5491.0059187730. The cubic root of 30151146 is about 311.2442053082.

Adding to 30151146 its reverse (64115103), we get a palindrome (94266249).

The spelling of 30151146 in words is "thirty million, one hundred fifty-one thousand, one hundred forty-six".