149188856 has 16 divisors (see below), whose sum is σ = 291891600. Its totient is φ = 71351104.

The previous prime is 149188849. The next prime is 149188867. The reversal of 149188856 is 658881941.

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 3 ways as a sum of consecutive naturals, for example, 405221 + ... + 405588.

It is an arithmetic number, because the mean of its divisors is an integer number (18243225).

Almost surely, 2^149188856 is an apocalyptic number.

It is an amenable number.

149188856 is a deficient number, since it is larger than the sum of its proper divisors (142702744).

149188856 is a wasteful number, since it uses less digits than its factorization.

149188856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810838 (or 810834 counting only the distinct ones).

The product of its digits is 552960, while the sum is 50.

The square root of 149188856 is about 12214.2890091892. The cubic root of 149188856 is about 530.3698095437.

The spelling of 149188856 in words is "one hundred forty-nine million, one hundred eighty-eight thousand, eight hundred fifty-six".