149214381888 has 672 divisors, whose sum is σ = 492315739776. Its totient is φ = 39297024000.

The previous prime is 149214381881. The next prime is 149214381893. The reversal of 149214381888 is 888183412941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149214381881) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2446137378 + ... + 2446137438.

It is an arithmetic number, because the mean of its divisors is an integer number (732612708).

Almost surely, 2^149214381888 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 149214381888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246157869888).

149214381888 is an abundant number, since it is smaller than the sum of its proper divisors (343101357888).

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

149214381888 is a wasteful number, since it uses less digits than its factorization.

149214381888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 184 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 57.

The spelling of 149214381888 in words is "one hundred forty-nine billion, two hundred fourteen million, three hundred eighty-one thousand, eight hundred eighty-eight".