9945159 has 8 divisors (see below), whose sum is σ = 15154560. Its totient is φ = 5682936.

The previous prime is 9945157. The next prime is 9945161. The reversal of 9945159 is 9515499.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9945157) and next prime (9945161).

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

It is not a de Polignac number, because 9945159 - 2¹ = 9945157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9945159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9945157) 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, 236769 + ... + 236810.

It is an arithmetic number, because the mean of its divisors is an integer number (1894320).

Almost surely, 2^9945159 is an apocalyptic number.

9945159 is a deficient number, since it is larger than the sum of its proper divisors (5209401).

9945159 is a wasteful number, since it uses less digits than its factorization.

9945159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473589.

The product of its digits is 72900, while the sum is 42.

The square root of 9945159 is about 3153.5946156727. The cubic root of 9945159 is about 215.0489090102.

The spelling of 9945159 in words is "nine million, nine hundred forty-five thousand, one hundred fifty-nine".