7145145800 has 48 divisors (see below), whose sum is σ = 17890352340. Its totient is φ = 2638206720.

The previous prime is 7145145779. The next prime is 7145145817. The reversal of 7145145800 is 85415417.

It can be written as a sum of positive squares in 6 ways, for example, as 1260108004 + 5885037796 = 35498^2 + 76714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1371467 + ... + 1376666.

Almost surely, 2^7145145800 is an apocalyptic number.

It is an amenable number.

7145145800 is an abundant number, since it is smaller than the sum of its proper divisors (10745206540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7145145800 is a wasteful number, since it uses less digits than its factorization.

7145145800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748162 (or 2748153 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 7145145800 is about 84528.9642666938. The cubic root of 7145145800 is about 1926.0624527978.

The spelling of 7145145800 in words is "seven billion, one hundred forty-five million, one hundred forty-five thousand, eight hundred".