30446457145 has 16 divisors (see below), whose sum is σ = 39372846912. Its totient is φ = 22468305600.

The previous prime is 30446457143. The next prime is 30446457169. The reversal of 30446457145 is 54175464403.

It is not a de Polignac number, because 30446457145 - 2¹ = 30446457143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30446457143) 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, 61531 + ... + 254320.

It is an arithmetic number, because the mean of its divisors is an integer number (2460802932).

Almost surely, 2^30446457145 is an apocalyptic number.

It is an amenable number.

30446457145 is a deficient number, since it is larger than the sum of its proper divisors (8926389767).

30446457145 is a wasteful number, since it uses less digits than its factorization.

30446457145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317352.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 30446457145 in words is "thirty billion, four hundred forty-six million, four hundred fifty-seven thousand, one hundred forty-five".