149950000 has 60 divisors (see below), whose sum is σ = 363258000. Its totient is φ = 59960000.

The previous prime is 149949977. The next prime is 149950001. The reversal of 149950000 is 59941.

It is not an unprimeable number, because it can be changed into a prime (149950001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48501 + ... + 51499.

It is an arithmetic number, because the mean of its divisors is an integer number (6054300).

Almost surely, 2^149950000 is an apocalyptic number.

149950000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149950000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181629000).

149950000 is an abundant number, since it is smaller than the sum of its proper divisors (213308000).

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

149950000 is an frugal number, since it uses more digits than its factorization.

149950000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 149950000 is about 12245.4073023318. The cubic root of 149950000 is about 531.2702414433.

The spelling of 149950000 in words is "one hundred forty-nine million, nine hundred fifty thousand".