145067072 has 56 divisors (see below), whose sum is σ = 302971200. Its totient is φ = 68783616.

The previous prime is 145067023. The next prime is 145067081. The reversal of 145067072 is 270760541.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 204254 + ... + 204962.

It is an arithmetic number, because the mean of its divisors is an integer number (5410200).

Almost surely, 2^145067072 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 145067072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151485600).

145067072 is an abundant number, since it is smaller than the sum of its proper divisors (157904128).

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

145067072 is a wasteful number, since it uses less digits than its factorization.

145067072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 145067072 is about 12044.3792700164. The cubic root of 145067072 is about 525.4397790490.

The spelling of 145067072 in words is "one hundred forty-five million, sixty-seven thousand, seventy-two".