149105718 has 16 divisors (see below), whose sum is σ = 331346160. Its totient is φ = 49701888.

The previous prime is 149105707. The next prime is 149105729. The reversal of 149105718 is 817501941.

It is an interprime number because it is at equal distance from previous prime (149105707) and next prime (149105729).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380555 + ... + 1380662.

It is an arithmetic number, because the mean of its divisors is an integer number (20709135).

Almost surely, 2^149105718 is an apocalyptic number.

149105718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149105718 is an abundant number, since it is smaller than the sum of its proper divisors (182240442).

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

149105718 is a wasteful number, since it uses less digits than its factorization.

149105718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761228 (or 2761222 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 149105718 is about 12210.8852258958. The cubic root of 149105718 is about 530.2712720710.

The spelling of 149105718 in words is "one hundred forty-nine million, one hundred five thousand, seven hundred eighteen".