30745466145 has 12 divisors (see below), whose sum is σ = 53292141396. Its totient is φ = 16397581920.

The previous prime is 30745466053. The next prime is 30745466159. The reversal of 30745466145 is 54166454703.

30745466145 is a `hidden beast` number, since 3 + 0 + 7 + 4 + 546 + 61 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21260264481 + 9485201664 = 145809^2 + 97392^2 .

It is not a de Polignac number, because 30745466145 - 2¹¹ = 30745464097 is a prime.

It is a super-2 number, since 2×30745466145² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 683232581 = 30745466145 / (3 + 0 + 7 + 4 + 5 + 4 + 6 + 6 + 1 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 30745466145.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341616246 + ... + 341616335.

It is an arithmetic number, because the mean of its divisors is an integer number (4441011783).

Almost surely, 2^30745466145 is an apocalyptic number.

It is an amenable number.

30745466145 is a deficient number, since it is larger than the sum of its proper divisors (22546675251).

30745466145 is a wasteful number, since it uses less digits than its factorization.

30745466145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683232592 (or 683232589 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 30745466145 in words is "thirty billion, seven hundred forty-five million, four hundred sixty-six thousand, one hundred forty-five".