7430320145 has 16 divisors (see below), whose sum is σ = 8978497920. Its totient is φ = 5902917504.

The previous prime is 7430320141. The next prime is 7430320151. The reversal of 7430320145 is 5410230347.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7430320145 - 2² = 7430320141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7430320141) 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, 992426 + ... + 999884.

It is an arithmetic number, because the mean of its divisors is an integer number (561156120).

Almost surely, 2^7430320145 is an apocalyptic number.

It is an amenable number.

7430320145 is a deficient number, since it is larger than the sum of its proper divisors (1548177775).

7430320145 is a wasteful number, since it uses less digits than its factorization.

7430320145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8824.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 7430320145 is about 86199.3047825793. The cubic root of 7430320145 is about 1951.3530075250.

The spelling of 7430320145 in words is "seven billion, four hundred thirty million, three hundred twenty thousand, one hundred forty-five".