30145345 has 8 divisors (see below), whose sum is σ = 36265320. Its totient is φ = 24055680.

The previous prime is 30145333. The next prime is 30145439. The reversal of 30145345 is 54354103.

It can be written as a sum of positive squares in 4 ways, for example, as 17783089 + 12362256 = 4217^2 + 3516^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30145345 - 2¹¹ = 30143297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5326 + ... + 9415.

It is an arithmetic number, because the mean of its divisors is an integer number (4533165).

Almost surely, 2^30145345 is an apocalyptic number.

It is an amenable number.

30145345 is a deficient number, since it is larger than the sum of its proper divisors (6119975).

30145345 is a wasteful number, since it uses less digits than its factorization.

30145345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15155.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 30145345 is about 5490.4776659231. The cubic root of 30145345 is about 311.2242431765.

Adding to 30145345 its reverse (54354103), we get a palindrome (84499448).

The spelling of 30145345 in words is "thirty million, one hundred forty-five thousand, three hundred forty-five".