149218888 has 48 divisors (see below), whose sum is σ = 346265280. Its totient is φ = 59027904.

The previous prime is 149218879. The next prime is 149218939. The reversal of 149218888 is 888812941.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581 + ... + 17347.

It is an arithmetic number, because the mean of its divisors is an integer number (7213860).

Almost surely, 2^149218888 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 149218888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173132640).

149218888 is an abundant number, since it is smaller than the sum of its proper divisors (197046392).

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

149218888 is a wasteful number, since it uses less digits than its factorization.

149218888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15806 (or 15789 counting only the distinct ones).

The product of its digits is 294912, while the sum is 49.

The square root of 149218888 is about 12215.5183271116. The cubic root of 149218888 is about 530.4053953059.

The spelling of 149218888 in words is "one hundred forty-nine million, two hundred eighteen thousand, eight hundred eighty-eight".