145779424 has 48 divisors (see below), whose sum is σ = 329198688. Its totient is φ = 62249472.

The previous prime is 145779421. The next prime is 145779427. The reversal of 145779424 is 424977541.

145779424 is digitally balanced in base 3, 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 (145779421) and next prime (145779427).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145779421) 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 7 ways as a sum of consecutive naturals, for example, 69982 + ... + 72034.

It is an arithmetic number, because the mean of its divisors is an integer number (6858306).

Almost surely, 2^145779424 is an apocalyptic number.

145779424 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 145779424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164599344).

145779424 is an abundant number, since it is smaller than the sum of its proper divisors (183419264).

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

145779424 is a wasteful number, since it uses less digits than its factorization.

145779424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387 (or 2379 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 145779424 is about 12073.9150237195. The cubic root of 145779424 is about 526.2984326234.

The spelling of 145779424 in words is "one hundred forty-five million, seven hundred seventy-nine thousand, four hundred twenty-four".