149444239 has 8 divisors (see below), whose sum is σ = 172851840. Its totient is φ = 126551256.

The previous prime is 149444233. The next prime is 149444249. The reversal of 149444239 is 932444941.

149444239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149444239 - 2⁷ = 149444111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149444233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128029 + ... + 129190.

It is an arithmetic number, because the mean of its divisors is an integer number (21606480).

Almost surely, 2^149444239 is an apocalyptic number.

149444239 is a deficient number, since it is larger than the sum of its proper divisors (23407601).

149444239 is an equidigital number, since it uses as much as digits as its factorization.

149444239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257309.

The product of its digits is 124416, while the sum is 40.

The square root of 149444239 is about 12224.7388111158. The cubic root of 149444239 is about 530.6722678357.

The spelling of 149444239 in words is "one hundred forty-nine million, four hundred forty-four thousand, two hundred thirty-nine".