30482157 has 4 divisors (see below), whose sum is σ = 40642880. Its totient is φ = 20321436.

The previous prime is 30482149. The next prime is 30482167. The reversal of 30482157 is 75128403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30482157 - 2³ = 30482149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30482167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5080357 + ... + 5080362.

It is an arithmetic number, because the mean of its divisors is an integer number (10160720).

Almost surely, 2^30482157 is an apocalyptic number.

It is an amenable number.

30482157 is a deficient number, since it is larger than the sum of its proper divisors (10160723).

30482157 is a wasteful number, since it uses less digits than its factorization.

30482157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10160722.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 30482157 is about 5521.0648429447. The cubic root of 30482157 is about 312.3790490862.

The spelling of 30482157 in words is "thirty million, four hundred eighty-two thousand, one hundred fifty-seven".