30043146 has 16 divisors (see below), whose sum is σ = 68670144. Its totient is φ = 8583744.

The previous prime is 30043099. The next prime is 30043163. The reversal of 30043146 is 64134003.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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, 357615 + ... + 357698.

It is an arithmetic number, because the mean of its divisors is an integer number (4291884).

Almost surely, 2^30043146 is an apocalyptic number.

30043146 is an abundant number, since it is smaller than the sum of its proper divisors (38626998).

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

30043146 is a wasteful number, since it uses less digits than its factorization.

30043146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715325.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30043146 is about 5481.1628328303. The cubic root of 30043146 is about 310.8721399670.

Adding to 30043146 its reverse (64134003), we get a palindrome (94177149).

The spelling of 30043146 in words is "thirty million, forty-three thousand, one hundred forty-six".