99144454 has 8 divisors (see below), whose sum is σ = 148778568. Its totient is φ = 49551600.

The previous prime is 99144449. The next prime is 99144457. The reversal of 99144454 is 45444199.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99144457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3372 + ... + 14479.

It is an arithmetic number, because the mean of its divisors is an integer number (18597321).

Almost surely, 2^99144454 is an apocalyptic number.

99144454 is a deficient number, since it is larger than the sum of its proper divisors (49634114).

99144454 is a wasteful number, since it uses less digits than its factorization.

99144454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20630.

The product of its digits is 103680, while the sum is 40.

The square root of 99144454 is about 9957.1308116344. The cubic root of 99144454 is about 462.8313927818.

The spelling of 99144454 in words is "ninety-nine million, one hundred forty-four thousand, four hundred fifty-four".