149718 has 8 divisors (see below), whose sum is σ = 299448. Its totient is φ = 49904.

The previous prime is 149717. The next prime is 149729. The reversal of 149718 is 817941.

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

149718 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12471 + ... + 12482.

It is an arithmetic number, because the mean of its divisors is an integer number (37431).

2¹⁴⁹⁷¹⁸ is an apocalyptic number.

149718 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.

149718 is a wasteful number, since it uses less digits than its factorization.

149718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24958.

The product of its digits is 2016, while the sum is 30.

The square root of 149718 is about 386.9341029168. The cubic root of 149718 is about 53.0996109363.

The spelling of 149718 in words is "one hundred forty-nine thousand, seven hundred eighteen".