30075273145 has 4 divisors (see below), whose sum is σ = 36090327780. Its totient is φ = 24060218512.

The previous prime is 30075273119. The next prime is 30075273169. The reversal of 30075273145 is 54137257003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54137257003 = 499 ⋅108491497.

It can be written as a sum of positive squares in 2 ways, for example, as 5653084969 + 24422188176 = 75187^2 + 156276^2 .

It is a cyclic number.

It is not a de Polignac number, because 30075273145 - 2¹³ = 30075264953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3007527310 + ... + 3007527319.

It is an arithmetic number, because the mean of its divisors is an integer number (9022581945).

Almost surely, 2^30075273145 is an apocalyptic number.

It is an amenable number.

30075273145 is a deficient number, since it is larger than the sum of its proper divisors (6015054635).

30075273145 is an equidigital number, since it uses as much as digits as its factorization.

30075273145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6015054634.

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 30075273145 in words is "thirty billion, seventy-five million, two hundred seventy-three thousand, one hundred forty-five".