145111344 has 120 divisors (see below), whose sum is σ = 441043200. Its totient is φ = 40989312.

The previous prime is 145111333. The next prime is 145111349. The reversal of 145111344 is 443111541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (145111349) 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 23 ways as a sum of consecutive naturals, for example, 241957 + ... + 242555.

It is an arithmetic number, because the mean of its divisors is an integer number (3675360).

Almost surely, 2^145111344 is an apocalyptic number.

145111344 is a gapful number since it is divisible by the number (14) 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 145111344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220521600).

145111344 is an abundant number, since it is smaller than the sum of its proper divisors (295931856).

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

145111344 is a wasteful number, since it uses less digits than its factorization.

145111344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 714 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 145111344 is about 12046.2169995397. The cubic root of 145111344 is about 525.4932253699.

Adding to 145111344 its reverse (443111541), we get a palindrome (588222885).

The spelling of 145111344 in words is "one hundred forty-five million, one hundred eleven thousand, three hundred forty-four".