149658 has 8 divisors (see below), whose sum is σ = 299328. Its totient is φ = 49884.

The previous prime is 149629. The next prime is 149689. The reversal of 149658 is 856941.

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

149658 is an admirable number.

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

It is a Curzon number.

It is a plaindrome in base 16.

It is an unprimeable number.

149658 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 12466 + ... + 12477.

It is an arithmetic number, because the mean of its divisors is an integer number (37416).

2¹⁴⁹⁶⁵⁸ is an apocalyptic number.

149658 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.

149658 is a wasteful number, since it uses less digits than its factorization.

149658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24948.

The product of its digits is 8640, while the sum is 33.

The square root of 149658 is about 386.8565625655. The cubic root of 149658 is about 53.0925167050.

It can be divided in two parts, 1496 and 58, that multiplied together give a palindrome (86768).

The spelling of 149658 in words is "one hundred forty-nine thousand, six hundred fifty-eight".