145069824 has 72 divisors (see below), whose sum is σ = 394410240. Its totient is φ = 47315968.

The previous prime is 145069819. The next prime is 145069843. The reversal of 145069824 is 428960541.

145069824 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34087 + ... + 38105.

It is an arithmetic number, because the mean of its divisors is an integer number (5477920).

Almost surely, 2^145069824 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 145069824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197205120).

145069824 is an abundant number, since it is smaller than the sum of its proper divisors (249340416).

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

145069824 is an equidigital number, since it uses as much as digits as its factorization.

145069824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085 (or 4071 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 145069824 is about 12044.4935136352. The cubic root of 145069824 is about 525.4431016526.

The spelling of 145069824 in words is "one hundred forty-five million, sixty-nine thousand, eight hundred twenty-four".