145722288 has 40 divisors (see below), whose sum is σ = 376922800. Its totient is φ = 48513024.

The previous prime is 145722263. The next prime is 145722293. The reversal of 145722288 is 882227541.

145722288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 52848 + ... + 55536.

It is an arithmetic number, because the mean of its divisors is an integer number (9423070).

Almost surely, 2^145722288 is an apocalyptic number.

It is an amenable number.

145722288 is an abundant number, since it is smaller than the sum of its proper divisors (231200512).

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

145722288 is a wasteful number, since it uses less digits than its factorization.

145722288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3829 (or 3823 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 145722288 is about 12071.5486993177. The cubic root of 145722288 is about 526.2296654503.

The spelling of 145722288 in words is "one hundred forty-five million, seven hundred twenty-two thousand, two hundred eighty-eight".