149575289 has 8 divisors (see below), whose sum is σ = 152836800. Its totient is φ = 146344176.

The previous prime is 149575273. The next prime is 149575319. The reversal of 149575289 is 982575941.

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 149575289 - 2⁴ = 149575273 is a prime.

It is a Duffinian number.

149575289 is a modest number, since divided by 575289 gives 149 as remainder.

It is not an unprimeable number, because it can be changed into a prime (149575219) 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, 2492 + ... + 17474.

It is an arithmetic number, because the mean of its divisors is an integer number (19104600).

Almost surely, 2^149575289 is an apocalyptic number.

It is an amenable number.

149575289 is a deficient number, since it is larger than the sum of its proper divisors (3261511).

149575289 is a wasteful number, since it uses less digits than its factorization.

149575289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15199.

The product of its digits is 907200, while the sum is 50.

The square root of 149575289 is about 12230.0976692748. The cubic root of 149575289 is about 530.8273407976.

The spelling of 149575289 in words is "one hundred forty-nine million, five hundred seventy-five thousand, two hundred eighty-nine".