99445654 has 16 divisors (see below), whose sum is σ = 185976576. Its totient is φ = 38745000.

The previous prime is 99445579. The next prime is 99445657. The reversal of 99445654 is 45654499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99445657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322722 + ... + 323029.

It is an arithmetic number, because the mean of its divisors is an integer number (11623536).

Almost surely, 2^99445654 is an apocalyptic number.

99445654 is a deficient number, since it is larger than the sum of its proper divisors (86530922).

99445654 is a wasteful number, since it uses less digits than its factorization.

99445654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645771.

The product of its digits is 777600, while the sum is 46.

The square root of 99445654 is about 9972.2441807248. The cubic root of 99445654 is about 463.2996115524.

The spelling of 99445654 in words is "ninety-nine million, four hundred forty-five thousand, six hundred fifty-four".