7145133830 has 16 divisors (see below), whose sum is σ = 13617784800. Its totient is φ = 2689932672.

The previous prime is 7145133823. The next prime is 7145133833. The reversal of 7145133830 is 383315417.

It is a super-2 number, since 2×7145133830² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145133833) 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, 21014930 + ... + 21015269.

It is an arithmetic number, because the mean of its divisors is an integer number (851111550).

Almost surely, 2^7145133830 is an apocalyptic number.

7145133830 is a deficient number, since it is larger than the sum of its proper divisors (6472650970).

7145133830 is a wasteful number, since it uses less digits than its factorization.

7145133830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42030223.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 7145133830 is about 84528.8934625315. The cubic root of 7145133830 is about 1926.0613772433.

The spelling of 7145133830 in words is "seven billion, one hundred forty-five million, one hundred thirty-three thousand, eight hundred thirty".