149942208 has 84 divisors (see below), whose sum is σ = 429679608. Its totient is φ = 46126080.

The previous prime is 149942201. The next prime is 149942213. The reversal of 149942208 is 802249941.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149942201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30138 + ... + 34758.

Almost surely, 2^149942208 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 149942208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214839804).

149942208 is an abundant number, since it is smaller than the sum of its proper divisors (279737400).

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

149942208 is a wasteful number, since it uses less digits than its factorization.

149942208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662 (or 4639 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 149942208 is about 12245.0891380994. The cubic root of 149942208 is about 531.2610389771.

The spelling of 149942208 in words is "one hundred forty-nine million, nine hundred forty-two thousand, two hundred eight".