149188622 has 32 divisors (see below), whose sum is σ = 251182080. Its totient is φ = 65875680.

The previous prime is 149188609. The next prime is 149188643. The reversal of 149188622 is 226881941.

It is a self number, because there is not a number n which added to its sum of digits gives 149188622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161879 + ... + 162797.

It is an arithmetic number, because the mean of its divisors is an integer number (7849440).

Almost surely, 2^149188622 is an apocalyptic number.

149188622 is a deficient number, since it is larger than the sum of its proper divisors (101993458).

149188622 is a wasteful number, since it uses less digits than its factorization.

149188622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its digits is 55296, while the sum is 41.

The square root of 149188622 is about 12214.2794302407. The cubic root of 149188622 is about 530.3695322517.

The spelling of 149188622 in words is "one hundred forty-nine million, one hundred eighty-eight thousand, six hundred twenty-two".