149758168 has 64 divisors (see below), whose sum is σ = 347120640. Its totient is φ = 59103744.

The previous prime is 149758159. The next prime is 149758177. The reversal of 149758168 is 861857941.

It is an interprime number because it is at equal distance from previous prime (149758159) and next prime (149758177).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43071 + ... + 46417.

It is an arithmetic number, because the mean of its divisors is an integer number (5423760).

Almost surely, 2^149758168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149758168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173560320).

149758168 is an abundant number, since it is smaller than the sum of its proper divisors (197362472).

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

149758168 is a wasteful number, since it uses less digits than its factorization.

149758168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424 (or 3420 counting only the distinct ones).

The product of its digits is 483840, while the sum is 49.

The square root of 149758168 is about 12237.5719814022. The cubic root of 149758168 is about 531.0435922849.

The spelling of 149758168 in words is "one hundred forty-nine million, seven hundred fifty-eight thousand, one hundred sixty-eight".