151005009 has 8 divisors (see below), whose sum is σ = 206250912. Its totient is φ = 98214560.

The previous prime is 151005007. The next prime is 151005017. The reversal of 151005009 is 900500151.

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 151005009 - 2¹ = 151005007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151005007) 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, 613719 + ... + 613964.

It is an arithmetic number, because the mean of its divisors is an integer number (25781364).

Almost surely, 2^151005009 is an apocalyptic number.

It is an amenable number.

151005009 is a deficient number, since it is larger than the sum of its proper divisors (55245903).

151005009 is a wasteful number, since it uses less digits than its factorization.

151005009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227727.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 151005009 is about 12288.4095390738. The cubic root of 151005009 is about 532.5132902412.

The spelling of 151005009 in words is "one hundred fifty-one million, five thousand, nine".