10155009 has 8 divisors (see below), whose sum is σ = 13855072. Its totient is φ = 6612480.

The previous prime is 10154999. The next prime is 10155043. The reversal of 10155009 is 90055101.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-10155009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10155109) 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, 39232 + ... + 39489.

It is an arithmetic number, because the mean of its divisors is an integer number (1731884).

Almost surely, 2^10155009 is an apocalyptic number.

It is an amenable number.

10155009 is a deficient number, since it is larger than the sum of its proper divisors (3700063).

10155009 is an equidigital number, since it uses as much as digits as its factorization.

10155009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78767.

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

The square root of 10155009 is about 3186.6924859484. The cubic root of 10155009 is about 216.5509554407.

The spelling of 10155009 in words is "ten million, one hundred fifty-five thousand, nine".