30147141 has 8 divisors (see below), whose sum is σ = 40339360. Its totient is φ = 20026512.

The previous prime is 30147127. The next prime is 30147151. The reversal of 30147141 is 14174103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30147141 - 2⁵ = 30147109 is a prime.

It is a super-2 number, since 2×30147141² = 1817700220947762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30147101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16906 + ... + 18603.

It is an arithmetic number, because the mean of its divisors is an integer number (5042420).

Almost surely, 2^30147141 is an apocalyptic number.

It is an amenable number.

30147141 is a deficient number, since it is larger than the sum of its proper divisors (10192219).

30147141 is a wasteful number, since it uses less digits than its factorization.

30147141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35795.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 30147141 is about 5490.6412193841. The cubic root of 30147141 is about 311.2304237619.

The spelling of 30147141 in words is "thirty million, one hundred forty-seven thousand, one hundred forty-one".