7156345229 has 12 divisors (see below), whose sum is σ = 7869800988. Its totient is φ = 6502679040.

The previous prime is 7156345223. The next prime is 7156345243. The reversal of 7156345229 is 9225436517.

It can be written as a sum of positive squares in 2 ways, for example, as 1196814025 + 5959531204 = 34595^2 + 77198^2 .

It is not a de Polignac number, because 7156345229 - 2¹² = 7156341133 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7156345229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7156345223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264557 + ... + 290349.

It is an arithmetic number, because the mean of its divisors is an integer number (655816749).

Almost surely, 2^7156345229 is an apocalyptic number.

It is an amenable number.

7156345229 is a deficient number, since it is larger than the sum of its proper divisors (713455759).

7156345229 is a wasteful number, since it uses less digits than its factorization.

7156345229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28108 (or 28097 counting only the distinct ones).

The product of its digits is 453600, while the sum is 44.

The square root of 7156345229 is about 84595.1844315030. The cubic root of 7156345229 is about 1927.0682423667.

The spelling of 7156345229 in words is "seven billion, one hundred fifty-six million, three hundred forty-five thousand, two hundred twenty-nine".