30158730146 has 4 divisors (see below), whose sum is σ = 45238095222. Its totient is φ = 15079365072.

The previous prime is 30158730139. The next prime is 30158730187. The reversal of 30158730146 is 64103785103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64103785103 = 61 ⋅1050881723.

It can be written as a sum of positive squares in only one way, i.e., 28828304521 + 1330425625 = 169789^2 + 36475^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7539682535 + ... + 7539682538.

Almost surely, 2^30158730146 is an apocalyptic number.

30158730146 is a deficient number, since it is larger than the sum of its proper divisors (15079365076).

30158730146 is a wasteful number, since it uses less digits than its factorization.

30158730146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079365075.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 30158730146 in words is "thirty billion, one hundred fifty-eight million, seven hundred thirty thousand, one hundred forty-six".