146550144 has 128 divisors (see below), whose sum is σ = 433198080. Its totient is φ = 43591680.

The previous prime is 146550143. The next prime is 146550161. The reversal of 146550144 is 441055641.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146550143) 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 15 ways as a sum of consecutive naturals, for example, 154279 + ... + 155225.

It is an arithmetic number, because the mean of its divisors is an integer number (3384360).

Almost surely, 2^146550144 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 146550144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216599040).

146550144 is an abundant number, since it is smaller than the sum of its proper divisors (286647936).

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

146550144 is a wasteful number, since it uses less digits than its factorization.

146550144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 146550144 is about 12105.7896892355. The cubic root of 146550144 is about 527.2242971264.

The spelling of 146550144 in words is "one hundred forty-six million, five hundred fifty thousand, one hundred forty-four".