30000045 has 8 divisors (see below), whose sum is σ = 48000096. Its totient is φ = 16000016.

The previous prime is 30000041. The next prime is 30000049. The reversal of 30000045 is 54000003.

It is an interprime number because it is at equal distance from previous prime (30000041) and next prime (30000049).

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 30000045 - 2² = 30000041 is a prime.

30000045 is a modest number, since divided by 45 gives 30 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999987 + ... + 1000016.

It is an arithmetic number, because the mean of its divisors is an integer number (6000012).

Almost surely, 2^30000045 is an apocalyptic number.

It is an amenable number.

30000045 is a deficient number, since it is larger than the sum of its proper divisors (18000051).

30000045 is a wasteful number, since it uses less digits than its factorization.

30000045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000011.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 30000045 is about 5477.2296829693. The cubic root of 30000045 is about 310.7234059569.

Adding to 30000045 its reverse (54000003), we get a palindrome (84000048).

The spelling of 30000045 in words is "thirty million, forty-five", and thus it is an aban number and an uban number.