9055144 has 32 divisors (see below), whose sum is σ = 19615680. Its totient is φ = 3838464.

The previous prime is 9055141. The next prime is 9055147. The reversal of 9055144 is 4415509.

It is an interprime number because it is at equal distance from previous prime (9055141) and next prime (9055147).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9055141) 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, 4599 + ... + 6265.

It is an arithmetic number, because the mean of its divisors is an integer number (612990).

Almost surely, 2^9055144 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 9055144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9807840).

9055144 is an abundant number, since it is smaller than the sum of its proper divisors (10560536).

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

9055144 is a wasteful number, since it uses less digits than its factorization.

9055144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 9055144 is about 3009.1766315722. The cubic root of 9055144 is about 208.4323477429.

The spelling of 9055144 in words is "nine million, fifty-five thousand, one hundred forty-four".