149285239 has 8 divisors (see below), whose sum is σ = 153874080. Its totient is φ = 144765600.

The previous prime is 149285233. The next prime is 149285263. The reversal of 149285239 is 932582941.

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 149285239 - 2⁹ = 149284727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149285195 and 149285204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149285233) 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, 12904 + ... + 21565.

It is an arithmetic number, because the mean of its divisors is an integer number (19234260).

Almost surely, 2^149285239 is an apocalyptic number.

149285239 is a deficient number, since it is larger than the sum of its proper divisors (4588841).

149285239 is an equidigital number, since it uses as much as digits as its factorization.

149285239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34601.

The product of its digits is 155520, while the sum is 43.

The square root of 149285239 is about 12218.2338740098. The cubic root of 149285239 is about 530.4839995494.

The spelling of 149285239 in words is "one hundred forty-nine million, two hundred eighty-five thousand, two hundred thirty-nine".