30159493 has 8 divisors (see below), whose sum is σ = 37119488. Its totient is φ = 23862384.

The previous prime is 30159457. The next prime is 30159499. The reversal of 30159493 is 39495103.

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

It is not a de Polignac number, because 30159493 - 2²¹ = 28062341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30159499) 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, 165621 + ... + 165802.

It is an arithmetic number, because the mean of its divisors is an integer number (4639936).

Almost surely, 2^30159493 is an apocalyptic number.

It is an amenable number.

30159493 is a deficient number, since it is larger than the sum of its proper divisors (6959995).

30159493 is a wasteful number, since it uses less digits than its factorization.

30159493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331443.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 30159493 is about 5491.7659272769. The cubic root of 30159493 is about 311.2729241246.

The spelling of 30159493 in words is "thirty million, one hundred fifty-nine thousand, four hundred ninety-three".