145333344 has 96 divisors (see below), whose sum is σ = 415273824. Its totient is φ = 44236800.

The previous prime is 145333319. The next prime is 145333361. The reversal of 145333344 is 443333541.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×145333344² = 42243561756444672, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 125472 + ... + 126624.

It is an arithmetic number, because the mean of its divisors is an integer number (4325769).

Almost surely, 2^145333344 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 145333344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207636912).

145333344 is an abundant number, since it is smaller than the sum of its proper divisors (269940480).

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

145333344 is a wasteful number, since it uses less digits than its factorization.

145333344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1272 counting only the distinct ones).

The product of its digits is 25920, while the sum is 30.

The square root of 145333344 is about 12055.4279890844. The cubic root of 145333344 is about 525.7610658030.

Adding to 145333344 its reverse (443333541), we get a palindrome (588666885).

The spelling of 145333344 in words is "one hundred forty-five million, three hundred thirty-three thousand, three hundred forty-four".