149854323 has 8 divisors (see below), whose sum is σ = 199879936. Its totient is φ = 99865800.

The previous prime is 149854321. The next prime is 149854343. The reversal of 149854323 is 323458941.

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

It is not a de Polignac number, because 149854323 - 2¹ = 149854321 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is the 12242-nd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149854321) by changing a digit.

It is a nontrivial repunit in base 12241.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2178 + ... + 17448.

It is an arithmetic number, because the mean of its divisors is an integer number (24984992).

Almost surely, 2^149854323 is an apocalyptic number.

149854323 is a deficient number, since it is larger than the sum of its proper divisors (50025613).

149854323 is a wasteful number, since it uses less digits than its factorization.

149854323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18545.

The product of its digits is 103680, while the sum is 39.

The square root of 149854323 is about 12241.5000306335. The cubic root of 149854323 is about 531.1572234203.

The spelling of 149854323 in words is "one hundred forty-nine million, eight hundred fifty-four thousand, three hundred twenty-three".