149659223 has 8 divisors (see below), whose sum is σ = 173938560. Its totient is φ = 126104760.

The previous prime is 149659207. The next prime is 149659231. The reversal of 149659223 is 322956941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149659223 - 2⁴ = 149659207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149659243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180773 + ... + 181598.

It is an arithmetic number, because the mean of its divisors is an integer number (21742320).

Almost surely, 2^149659223 is an apocalyptic number.

149659223 is a deficient number, since it is larger than the sum of its proper divisors (24279337).

149659223 is an equidigital number, since it uses as much as digits as its factorization.

149659223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362437.

The product of its digits is 116640, while the sum is 41.

The square root of 149659223 is about 12233.5286405844. The cubic root of 149659223 is about 530.9266132800.

The spelling of 149659223 in words is "one hundred forty-nine million, six hundred fifty-nine thousand, two hundred twenty-three".