145519344 has 120 divisors (see below), whose sum is σ = 433499040. Its totient is φ = 45467136.

The previous prime is 145519331. The next prime is 145519349. The reversal of 145519344 is 443915541.

It is a happy number.

145519344 is a `hidden beast` number, since 14 + 551 + 93 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 145519299 and 145519308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145519349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175122 + ... + 175950.

It is an arithmetic number, because the mean of its divisors is an integer number (3612492).

Almost surely, 2^145519344 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 145519344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216749520).

145519344 is an abundant number, since it is smaller than the sum of its proper divisors (287979696).

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

145519344 is a wasteful number, since it uses less digits than its factorization.

145519344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 910 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 145519344 is about 12063.1398897634. The cubic root of 145519344 is about 525.9852627349.

The spelling of 145519344 in words is "one hundred forty-five million, five hundred nineteen thousand, three hundred forty-four".