145443320 has 64 divisors (see below), whose sum is σ = 368547840. Its totient is φ = 51177600.

The previous prime is 145443299. The next prime is 145443341. The reversal of 145443320 is 23344541.

145443320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145443299) and next prime (145443341).

It is a self number, because there is not a number n which added to its sum of digits gives 145443320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8309 + ... + 18971.

It is an arithmetic number, because the mean of its divisors is an integer number (5758560).

Almost surely, 2^145443320 is an apocalyptic number.

145443320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145443320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184273920).

145443320 is an abundant number, since it is smaller than the sum of its proper divisors (223104520).

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

145443320 is a wasteful number, since it uses less digits than its factorization.

145443320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10716 (or 10712 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 145443320 is about 12059.9883913709. The cubic root of 145443320 is about 525.8936495556.

Adding to 145443320 its reverse (23344541), we get a palindrome (168787861).

The spelling of 145443320 in words is "one hundred forty-five million, four hundred forty-three thousand, three hundred twenty".