149200000 has 96 divisors (see below), whose sum is σ = 372515220. Its totient is φ = 59520000.

The previous prime is 149199979. The next prime is 149200003. The reversal of 149200000 is 2941.

149200000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 15936064 + 133263936 = 3992^2 + 11544^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (149200003) 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, 399814 + ... + 400186.

Almost surely, 2^149200000 is an apocalyptic number.

149200000 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 149200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186257610).

149200000 is an abundant number, since it is smaller than the sum of its proper divisors (223315220).

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

149200000 is an frugal number, since it uses more digits than its factorization.

149200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 149200000 is about 12214.7451876820. The cubic root of 149200000 is about 530.3830149402.

Adding to 149200000 its reverse (2941), we get a palindrome (149202941).

The spelling of 149200000 in words is "one hundred forty-nine million, two hundred thousand".