7302145145 has 8 divisors (see below), whose sum is σ = 8765284104. Its totient is φ = 5839909504.

The previous prime is 7302145093. The next prime is 7302145217. The reversal of 7302145145 is 5415412037.

It can be written as a sum of positive squares in 4 ways, for example, as 1627234921 + 5674910224 = 40339^2 + 75332^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7302145145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207914 + ... + 240483.

It is an arithmetic number, because the mean of its divisors is an integer number (1095660513).

Almost surely, 2^7302145145 is an apocalyptic number.

It is an amenable number.

7302145145 is a deficient number, since it is larger than the sum of its proper divisors (1463138959).

7302145145 is a wasteful number, since it uses less digits than its factorization.

7302145145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451659.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 7302145145 is about 85452.5900426663. The cubic root of 7302145145 is about 1940.0674105070.

The spelling of 7302145145 in words is "seven billion, three hundred two million, one hundred forty-five thousand, one hundred forty-five".