99500144 has 10 divisors (see below), whose sum is σ = 192781560. Its totient is φ = 49750064.

The previous prime is 99500143. The next prime is 99500161. The reversal of 99500144 is 44100599.

It is a self number, because there is not a number n which added to its sum of digits gives 99500144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99500143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3109364 + ... + 3109395.

It is an arithmetic number, because the mean of its divisors is an integer number (19278156).

Almost surely, 2^99500144 is an apocalyptic number.

It is an amenable number.

99500144 is a deficient number, since it is larger than the sum of its proper divisors (93281416).

99500144 is a wasteful number, since it uses less digits than its factorization.

99500144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218767 (or 6218761 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 99500144 is about 9974.9758896952. The cubic root of 99500144 is about 463.3842158406.

The spelling of 99500144 in words is "ninety-nine million, five hundred thousand, one hundred forty-four".