30853145 has 8 divisors (see below), whose sum is σ = 37885056. Its totient is φ = 24108336.

The previous prime is 30853139. The next prime is 30853183. The reversal of 30853145 is 54135803.

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

It is a cyclic number.

It is not a de Polignac number, because 30853145 - 2¹⁴ = 30836761 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 71537 + ... + 71966.

It is an arithmetic number, because the mean of its divisors is an integer number (4735632).

Almost surely, 2^30853145 is an apocalyptic number.

It is an amenable number.

30853145 is a deficient number, since it is larger than the sum of its proper divisors (7031911).

30853145 is a wasteful number, since it uses less digits than its factorization.

30853145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143551.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 30853145 is about 5554.5607387083. The cubic root of 30853145 is about 313.6412288362.

Adding to 30853145 its reverse (54135803), we get a palindrome (84988948).

The spelling of 30853145 in words is "thirty million, eight hundred fifty-three thousand, one hundred forty-five".