146320544 has 36 divisors (see below), whose sum is σ = 298399374. Its totient is φ = 70624512.

The previous prime is 146320511. The next prime is 146320553. The reversal of 146320544 is 445023641.

146320544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 130416400 + 15904144 = 11420^2 + 3988^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

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 5 ways as a sum of consecutive naturals, for example, 24194 + ... + 29630.

Almost surely, 2^146320544 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 146320544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149199687).

146320544 is an abundant number, since it is smaller than the sum of its proper divisors (152078830).

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

146320544 is an equidigital number, since it uses as much as digits as its factorization.

146320544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505 (or 5468 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 146320544 is about 12096.3029062602. The cubic root of 146320544 is about 526.9488192432.

The spelling of 146320544 in words is "one hundred forty-six million, three hundred twenty thousand, five hundred forty-four".