7145133829 has 4 divisors (see below), whose sum is σ = 7311299776. Its totient is φ = 6978967884.

The previous prime is 7145133823. The next prime is 7145133833. The reversal of 7145133829 is 9283315417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9283315417 = 14563 ⋅637459.

It is a cyclic number.

It is not a de Polignac number, because 7145133829 - 2¹⁹ = 7144609541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 166165903 = 7145133829 / (7 + 1 + 4 + 5 + 1 + 3 + 3 + 8 + 2 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145133823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83082909 + ... + 83082994.

It is an arithmetic number, because the mean of its divisors is an integer number (1827824944).

Almost surely, 2^7145133829 is an apocalyptic number.

It is an amenable number.

7145133829 is a deficient number, since it is larger than the sum of its proper divisors (166165947).

7145133829 is a wasteful number, since it uses less digits than its factorization.

7145133829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166165946.

The product of its digits is 181440, while the sum is 43.

The square root of 7145133829 is about 84528.8934566164. The cubic root of 7145133829 is about 1926.0613771535.

The spelling of 7145133829 in words is "seven billion, one hundred forty-five million, one hundred thirty-three thousand, eight hundred twenty-nine".