30350145 has 16 divisors (see below), whose sum is σ = 55497600. Its totient is φ = 13874304.

The previous prime is 30350137. The next prime is 30350171. The reversal of 30350145 is 54105303.

It is not a de Polignac number, because 30350145 - 2³ = 30350137 is a prime.

It is a super-2 number, since 2×30350145² = 1842262603042050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144420 + ... + 144629.

It is an arithmetic number, because the mean of its divisors is an integer number (3468600).

Almost surely, 2^30350145 is an apocalyptic number.

30350145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30350145 is a deficient number, since it is larger than the sum of its proper divisors (25147455).

30350145 is a wasteful number, since it uses less digits than its factorization.

30350145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289064.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30350145 is about 5509.0965684039. The cubic root of 30350145 is about 311.9274465582.

Adding to 30350145 its reverse (54105303), we get a palindrome (84455448).

The spelling of 30350145 in words is "thirty million, three hundred fifty thousand, one hundred forty-five".