30150145 has 4 divisors (see below), whose sum is σ = 36180180. Its totient is φ = 24120112.

The previous prime is 30150103. The next prime is 30150157. The reversal of 30150145 is 54105103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8088336 + 22061809 = 2844^2 + 4697^2 .

It is a cyclic number.

It is not a de Polignac number, because 30150145 - 2¹⁵ = 30117377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3015010 + ... + 3015019.

It is an arithmetic number, because the mean of its divisors is an integer number (9045045).

Almost surely, 2^30150145 is an apocalyptic number.

It is an amenable number.

30150145 is a deficient number, since it is larger than the sum of its proper divisors (6030035).

30150145 is an equidigital number, since it uses as much as digits as its factorization.

30150145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030034.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 30150145 is about 5490.9147689615. The cubic root of 30150145 is about 311.2407608963.

Adding to 30150145 its reverse (54105103), we get a palindrome (84255248).

The spelling of 30150145 in words is "thirty million, one hundred fifty thousand, one hundred forty-five".