30145151 has 2 divisors, whose sum is σ = 30145152. Its totient is φ = 30145150.

The previous prime is 30145147. The next prime is 30145169. The reversal of 30145151 is 15154103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30145151 - 2² = 30145147 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30145751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15072575 + 15072576.

It is an arithmetic number, because the mean of its divisors is an integer number (15072576).

Almost surely, 2^30145151 is an apocalyptic number.

30145151 is a deficient number, since it is larger than the sum of its proper divisors (1).

30145151 is an equidigital number, since it uses as much as digits as its factorization.

30145151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 30145151 is about 5490.4599989436. The cubic root of 30145151 is about 311.2235755484.

Adding to 30145151 its reverse (15154103), we get a palindrome (45299254).

The spelling of 30145151 in words is "thirty million, one hundred forty-five thousand, one hundred fifty-one".