30051345 has 16 divisors (see below), whose sum is σ = 48871872. Its totient is φ = 15764160.

The previous prime is 30051323. The next prime is 30051347. The reversal of 30051345 is 54315003.

It is not a de Polignac number, because 30051345 - 2⁵ = 30051313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30051347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15507 + ... + 17336.

It is an arithmetic number, because the mean of its divisors is an integer number (3054492).

Almost surely, 2^30051345 is an apocalyptic number.

It is an amenable number.

30051345 is a deficient number, since it is larger than the sum of its proper divisors (18820527).

30051345 is a wasteful number, since it uses less digits than its factorization.

30051345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32912.

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

The square root of 30051345 is about 5481.9107070437. The cubic root of 30051345 is about 310.9004171747.

Adding to 30051345 its reverse (54315003), we get a palindrome (84366348).

The spelling of 30051345 in words is "thirty million, fifty-one thousand, three hundred forty-five".