30159941 has 6 divisors (see below), whose sum is σ = 35084070. Its totient is φ = 25851336.

The previous prime is 30159937. The next prime is 30159953. The reversal of 30159941 is 14995103.

It can be written as a sum of positive squares in only one way, i.e., 29430625 + 729316 = 5425^2 + 854^2 .

It is not a de Polignac number, because 30159941 - 2² = 30159937 is a prime.

It is a super-2 number, since 2×30159941² = 1819244082246962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30159898 and 30159907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30159911) 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 5 ways as a sum of consecutive naturals, for example, 307706 + ... + 307803.

It is an arithmetic number, because the mean of its divisors is an integer number (5847345).

Almost surely, 2^30159941 is an apocalyptic number.

It is an amenable number.

30159941 is a deficient number, since it is larger than the sum of its proper divisors (4924129).

30159941 is an equidigital number, since it uses as much as digits as its factorization.

30159941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615523 (or 615516 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 30159941 is about 5491.8067154626. The cubic root of 30159941 is about 311.2744653704.

The spelling of 30159941 in words is "thirty million, one hundred fifty-nine thousand, nine hundred forty-one".