149229400 has 48 divisors (see below), whose sum is σ = 367376040. Its totient is φ = 56179200.

The previous prime is 149229391. The next prime is 149229413. The reversal of 149229400 is 4922941.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 18546 + ... + 25345.

Almost surely, 2^149229400 is an apocalyptic number.

149229400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149229400 is an abundant number, since it is smaller than the sum of its proper divisors (218146640).

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

149229400 is a wasteful number, since it uses less digits than its factorization.

149229400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43924 (or 43915 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 149229400 is about 12215.9485919023. The cubic root of 149229400 is about 530.4178501425.

The spelling of 149229400 in words is "one hundred forty-nine million, two hundred twenty-nine thousand, four hundred".