7152020345 has 8 divisors (see below), whose sum is σ = 8582887176. Its totient is φ = 5721307776.

The previous prime is 7152020333. The next prime is 7152020347. The reversal of 7152020345 is 5430202517.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1108357264 + 6043663081 = 33292^2 + 77741^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7152020345 - 2²² = 7147826041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7152020347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132119 + ... + 178211.

It is an arithmetic number, because the mean of its divisors is an integer number (1072860897).

Almost surely, 2^7152020345 is an apocalyptic number.

It is an amenable number.

7152020345 is a deficient number, since it is larger than the sum of its proper divisors (1430866831).

7152020345 is a wasteful number, since it uses less digits than its factorization.

7152020345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77131.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 7152020345 is about 84569.6183330633. The cubic root of 7152020345 is about 1926.6799610192.

The spelling of 7152020345 in words is "seven billion, one hundred fifty-two million, twenty thousand, three hundred forty-five".