30099149 has 2 divisors, whose sum is σ = 30099150. Its totient is φ = 30099148.

The previous prime is 30099143. The next prime is 30099161. The reversal of 30099149 is 94199003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 13924 = 5485^2 + 118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30099149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30099143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15049574 + 15049575.

It is an arithmetic number, because the mean of its divisors is an integer number (15049575).

Almost surely, 2^30099149 is an apocalyptic number.

It is an amenable number.

30099149 is a deficient number, since it is larger than the sum of its proper divisors (1).

30099149 is an equidigital number, since it uses as much as digits as its factorization.

30099149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 30099149 is about 5486.2691330266. The cubic root of 30099149 is about 311.0651841738.

The spelling of 30099149 in words is "thirty million, ninety-nine thousand, one hundred forty-nine".