30141645 has 16 divisors (see below), whose sum is σ = 48537600. Its totient is φ = 15971904.

The previous prime is 30141607. The next prime is 30141647. The reversal of 30141645 is 54614103.

It is not a de Polignac number, because 30141645 - 2¹¹ = 30139597 is a prime.

It is a super-3 number, since 3×30141645³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30141647) 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, 4045 + ... + 8754.

It is an arithmetic number, because the mean of its divisors is an integer number (3033600).

Almost surely, 2^30141645 is an apocalyptic number.

It is an amenable number.

30141645 is a deficient number, since it is larger than the sum of its proper divisors (18395955).

30141645 is a wasteful number, since it uses less digits than its factorization.

30141645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12964.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30141645 is about 5490.1407085793. The cubic root of 30141645 is about 311.2115095707.

Adding to 30141645 its reverse (54614103), we get a palindrome (84755748).

The spelling of 30141645 in words is "thirty million, one hundred forty-one thousand, six hundred forty-five".