7745145099 has 8 divisors (see below), whose sum is σ = 10327420992. Its totient is φ = 5163149640.

The previous prime is 7745145061. The next prime is 7745145119. The reversal of 7745145099 is 9905415477.

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

It is not a de Polignac number, because 7745145099 - 2⁹ = 7745144587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7745145019) 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, 6204 + ... + 124614.

It is an arithmetic number, because the mean of its divisors is an integer number (1290927624).

Almost surely, 2^7745145099 is an apocalyptic number.

7745145099 is a deficient number, since it is larger than the sum of its proper divisors (2582275893).

7745145099 is a wasteful number, since it uses less digits than its factorization.

7745145099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140217.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The square root of 7745145099 is about 88006.5060038177. The cubic root of 7745145099 is about 1978.5324890185.

The spelling of 7745145099 in words is "seven billion, seven hundred forty-five million, one hundred forty-five thousand, ninety-nine".