149320400 has 30 divisors (see below), whose sum is σ = 358743222. Its totient is φ = 59728000.

The previous prime is 149320399. The next prime is 149320417. The reversal of 149320400 is 4023941.

149320400 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 3 ways, for example, as 29724304 + 119596096 = 5452^2 + 10936^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 186251 + ... + 187050.

Almost surely, 2^149320400 is an apocalyptic number.

149320400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149320400 is an abundant number, since it is smaller than the sum of its proper divisors (209422822).

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

149320400 is a wasteful number, since it uses less digits than its factorization.

149320400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373319 (or 373308 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 149320400 is about 12219.6726633736. The cubic root of 149320400 is about 530.5256443984.

The spelling of 149320400 in words is "one hundred forty-nine million, three hundred twenty thousand, four hundred".