30243145 has 16 divisors (see below), whose sum is σ = 37029888. Its totient is φ = 23708160.

The previous prime is 30243127. The next prime is 30243151. The reversal of 30243145 is 54134203.

It is not a de Polignac number, because 30243145 - 2¹⁷ = 30112073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61350 + ... + 61840.

It is an arithmetic number, because the mean of its divisors is an integer number (2314368).

Almost surely, 2^30243145 is an apocalyptic number.

It is an amenable number.

30243145 is a deficient number, since it is larger than the sum of its proper divisors (6786743).

30243145 is a wasteful number, since it uses less digits than its factorization.

30243145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30243145 is about 5499.3767828728. The cubic root of 30243145 is about 311.5604462618.

Adding to 30243145 its reverse (54134203), we get a palindrome (84377348).

The spelling of 30243145 in words is "thirty million, two hundred forty-three thousand, one hundred forty-five".