30495147 has 8 divisors (see below), whose sum is σ = 40800144. Its totient is φ = 20260128.

The previous prime is 30495137. The next prime is 30495149. The reversal of 30495147 is 74159403.

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

It is not a de Polignac number, because 30495147 - 2¹² = 30491051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30495149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16468 + ... + 18225.

It is an arithmetic number, because the mean of its divisors is an integer number (5100018).

Almost surely, 2^30495147 is an apocalyptic number.

30495147 is a deficient number, since it is larger than the sum of its proper divisors (10304997).

30495147 is a wasteful number, since it uses less digits than its factorization.

30495147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34989.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 30495147 is about 5522.2411211391. The cubic root of 30495147 is about 312.4234163267.

The spelling of 30495147 in words is "thirty million, four hundred ninety-five thousand, one hundred forty-seven".