149227009 has 8 divisors (see below), whose sum is σ = 150835680. Its totient is φ = 147623616.

The previous prime is 149226991. The next prime is 149227033. The reversal of 149227009 is 900722941.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149227009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149227049) 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, 82614 + ... + 84400.

It is an arithmetic number, because the mean of its divisors is an integer number (18854460).

Almost surely, 2^149227009 is an apocalyptic number.

It is an amenable number.

149227009 is a deficient number, since it is larger than the sum of its proper divisors (1608671).

149227009 is a wasteful number, since it uses less digits than its factorization.

149227009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 149227009 is about 12215.8507276407. The cubic root of 149227009 is about 530.4150172872.

The spelling of 149227009 in words is "one hundred forty-nine million, two hundred twenty-seven thousand, nine".