149953388 has 24 divisors (see below), whose sum is σ = 286483008. Its totient is φ = 68259456.

The previous prime is 149953381. The next prime is 149953393. The reversal of 149953388 is 883359941.

It is not an unprimeable number, because it can be changed into a prime (149953381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15956 + ... + 23547.

It is an arithmetic number, because the mean of its divisors is an integer number (11936792).

Almost surely, 2^149953388 is an apocalyptic number.

It is an amenable number.

149953388 is a deficient number, since it is larger than the sum of its proper divisors (136529620).

149953388 is a wasteful number, since it uses less digits than its factorization.

149953388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39593 (or 39591 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 149953388 is about 12245.5456391294. The cubic root of 149953388 is about 531.2742426215.

The spelling of 149953388 in words is "one hundred forty-nine million, nine hundred fifty-three thousand, three hundred eighty-eight".