9615144 has 128 divisors (see below), whose sum is σ = 30919680. Its totient is φ = 2439360.

The previous prime is 9615139. The next prime is 9615157. The reversal of 9615144 is 4415169.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 223587 + ... + 223629.

It is an arithmetic number, because the mean of its divisors is an integer number (241560).

Almost surely, 2^9615144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9615144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15459840).

9615144 is an abundant number, since it is smaller than the sum of its proper divisors (21304536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9615144 is a wasteful number, since it uses less digits than its factorization.

9615144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 66 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 9615144 is about 3100.8295664225. The cubic root of 9615144 is about 212.6434113823.

It can be divided in two parts, 961 and 5144, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 9615144 in words is "nine million, six hundred fifteen thousand, one hundred forty-four".