149003009 has 8 divisors (see below), whose sum is σ = 149986560. Its totient is φ = 148023216.

The previous prime is 149003003. The next prime is 149003051. The reversal of 149003009 is 900300941.

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 not a de Polignac number, because 149003009 - 2⁸ = 149002753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149003003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132122 + ... + 133244.

It is an arithmetic number, because the mean of its divisors is an integer number (18748320).

Almost surely, 2^149003009 is an apocalyptic number.

It is an amenable number.

149003009 is a deficient number, since it is larger than the sum of its proper divisors (983551).

149003009 is a wasteful number, since it uses less digits than its factorization.

149003009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 149003009 is about 12206.6788685539. The cubic root of 149003009 is about 530.1494879145.

The spelling of 149003009 in words is "one hundred forty-nine million, three thousand, nine".