149854 has 8 divisors (see below), whose sum is σ = 232128. Its totient is φ = 72480.

The previous prime is 149839. The next prime is 149861. The reversal of 149854 is 458941.

149854 = T₁₅₂ + T₁₅₃ + ... + T₁₆₃.

It is a happy number.

149854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147 + ... + 1270.

It is an arithmetic number, because the mean of its divisors is an integer number (29016).

2¹⁴⁹⁸⁵⁴ is an apocalyptic number.

149854 is a deficient number, since it is larger than the sum of its proper divisors (82274).

149854 is a wasteful number, since it uses less digits than its factorization.

149854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450.

The product of its digits is 5760, while the sum is 31.

The square root of 149854 is about 387.1098035442. The cubic root of 149854 is about 53.1156841797.

The spelling of 149854 in words is "one hundred forty-nine thousand, eight hundred fifty-four".