99154 has 8 divisors (see below), whose sum is σ = 162288. Its totient is φ = 45060.

The previous prime is 99149. The next prime is 99173. The reversal of 99154 is 45199.

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2232 + ... + 2275.

It is an arithmetic number, because the mean of its divisors is an integer number (20286).

2⁹⁹¹⁵⁴ is an apocalyptic number.

99154 is a deficient number, since it is larger than the sum of its proper divisors (63134).

99154 is a wasteful number, since it uses less digits than its factorization.

99154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520.

The product of its digits is 1620, while the sum is 28.

The square root of 99154 is about 314.8872814199. The cubic root of 99154 is about 46.2846246686.

It can be divided in two parts, 99 and 154, that added together give a triangular number (253 = T₂₂).

The spelling of 99154 in words is "ninety-nine thousand, one hundred fifty-four".