149803204 has 12 divisors (see below), whose sum is σ = 262306044. Its totient is φ = 74858624.

The previous prime is 149803193. The next prime is 149803207. The reversal of 149803204 is 402308941.

It can be written as a sum of positive squares in 2 ways, for example, as 136843204 + 12960000 = 11698^2 + 3600^2 .

It is not an unprimeable number, because it can be changed into a prime (149803207) 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 3 ways as a sum of consecutive naturals, for example, 2137 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (21858837).

Almost surely, 2^149803204 is an apocalyptic number.

It is an amenable number.

149803204 is a deficient number, since it is larger than the sum of its proper divisors (112502840).

149803204 is a wasteful number, since it uses less digits than its factorization.

149803204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21494 (or 21492 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 149803204 is about 12239.4119139769. The cubic root of 149803204 is about 531.0968196148.

The spelling of 149803204 in words is "one hundred forty-nine million, eight hundred three thousand, two hundred four".