7923290145 has 16 divisors (see below), whose sum is σ = 12750547392. Its totient is φ = 4201327040.

The previous prime is 7923290119. The next prime is 7923290153. The reversal of 7923290145 is 5410923297.

7923290145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7923290145 - 2²² = 7919095841 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7923290097 and 7923290106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524051 + ... + 1529240.

It is an arithmetic number, because the mean of its divisors is an integer number (796909212).

Almost surely, 2^7923290145 is an apocalyptic number.

It is an amenable number.

7923290145 is a deficient number, since it is larger than the sum of its proper divisors (4827257247).

7923290145 is a wasteful number, since it uses less digits than its factorization.

7923290145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053472.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 7923290145 is about 89012.8650533169. The cubic root of 7923290145 is about 1993.5869705892.

The spelling of 7923290145 in words is "seven billion, nine hundred twenty-three million, two hundred ninety thousand, one hundred forty-five".