99473111145 has 24 divisors (see below), whose sum is σ = 172437685056. Its totient is φ = 53046902688.

The previous prime is 99473111141. The next prime is 99473111161. The reversal of 99473111145 is 54111137499.

It is not a de Polignac number, because 99473111145 - 2² = 99473111141 is a prime.

It is a super-2 number, since 2×99473111145² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 99473111145.

It is not an unprimeable number, because it can be changed into a prime (99473111141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353254 + ... + 568976.

It is an arithmetic number, because the mean of its divisors is an integer number (7184903544).

Almost surely, 2^99473111145 is an apocalyptic number.

It is an amenable number.

99473111145 is a deficient number, since it is larger than the sum of its proper divisors (72964573911).

99473111145 is a wasteful number, since it uses less digits than its factorization.

99473111145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225981 (or 225978 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The spelling of 99473111145 in words is "ninety-nine billion, four hundred seventy-three million, one hundred eleven thousand, one hundred forty-five".