945555099 has 8 divisors (see below), whose sum is σ = 1261070352. Its totient is φ = 630204960.

The previous prime is 945555097. The next prime is 945555109. The reversal of 945555099 is 990555549.

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

It is not a de Polignac number, because 945555099 - 2¹ = 945555097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (945555097) 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, 27232 + ... + 51309.

It is an arithmetic number, because the mean of its divisors is an integer number (157633794).

Almost surely, 2^945555099 is an apocalyptic number.

945555099 is a deficient number, since it is larger than the sum of its proper divisors (315515253).

945555099 is a wasteful number, since it uses less digits than its factorization.

945555099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82557.

The product of its (nonzero) digits is 1822500, while the sum is 51.

The square root of 945555099 is about 30749.8796583011. The cubic root of 945555099 is about 981.5119999585.

The spelling of 945555099 in words is "nine hundred forty-five million, five hundred fifty-five thousand, ninety-nine".