145147288 has 64 divisors (see below), whose sum is σ = 324414720. Its totient is φ = 60009600.

The previous prime is 145147283. The next prime is 145147297. The reversal of 145147288 is 882741541.

It is a self number, because there is not a number n which added to its sum of digits gives 145147288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145147283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80331 + ... + 82117.

It is an arithmetic number, because the mean of its divisors is an integer number (5068980).

Almost surely, 2^145147288 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 145147288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162207360).

145147288 is an abundant number, since it is smaller than the sum of its proper divisors (179267432).

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

145147288 is a wasteful number, since it uses less digits than its factorization.

145147288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888 (or 1884 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 145147288 is about 12047.7088278228. The cubic root of 145147288 is about 525.5366099155.

The spelling of 145147288 in words is "one hundred forty-five million, one hundred forty-seven thousand, two hundred eighty-eight".