149232224 has 12 divisors (see below), whose sum is σ = 293801004. Its totient is φ = 74616096.

The previous prime is 149232217. The next prime is 149232229. The reversal of 149232224 is 422232941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149232229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2331722 + ... + 2331785.

It is an arithmetic number, because the mean of its divisors is an integer number (24483417).

Almost surely, 2^149232224 is an apocalyptic number.

It is an amenable number.

149232224 is a deficient number, since it is larger than the sum of its proper divisors (144568780).

149232224 is an equidigital number, since it uses as much as digits as its factorization.

149232224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663517 (or 4663509 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 149232224 is about 12216.0641779585. The cubic root of 149232224 is about 530.4211959768.

The spelling of 149232224 in words is "one hundred forty-nine million, two hundred thirty-two thousand, two hundred twenty-four".