149188556 has 12 divisors (see below), whose sum is σ = 284814600. Its totient is φ = 67812960.

The previous prime is 149188547. The next prime is 149188597. The reversal of 149188556 is 655881941.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 149188556.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695281 + ... + 1695368.

It is an arithmetic number, because the mean of its divisors is an integer number (23734550).

Almost surely, 2^149188556 is an apocalyptic number.

It is an amenable number.

149188556 is a deficient number, since it is larger than the sum of its proper divisors (135626044).

149188556 is a wasteful number, since it uses less digits than its factorization.

149188556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390664 (or 3390662 counting only the distinct ones).

The product of its digits is 345600, while the sum is 47.

The square root of 149188556 is about 12214.2767284846. The cubic root of 149188556 is about 530.3694540411.

It can be divided in two parts, 1491885 and 56, that added together give a palindrome (1491941).

The spelling of 149188556 in words is "one hundred forty-nine million, one hundred eighty-eight thousand, five hundred fifty-six".