149154 has 8 divisors (see below), whose sum is σ = 298320. Its totient is φ = 49716.

The previous prime is 149153. The next prime is 149159. The reversal of 149154 is 451941.

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

149154 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (149153) by changing a digit.

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, 12424 + ... + 12435.

It is an arithmetic number, because the mean of its divisors is an integer number (37290).

2¹⁴⁹¹⁵⁴ is an apocalyptic number.

149154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149154 is a wasteful number, since it uses less digits than its factorization.

149154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24864.

The product of its digits is 720, while the sum is 24.

The square root of 149154 is about 386.2046089834. The cubic root of 149154 is about 53.0328501700.

It can be divided in two parts, 149 and 154, that added together give a palindrome (303).

The spelling of 149154 in words is "one hundred forty-nine thousand, one hundred fifty-four".