145887282 has 48 divisors (see below), whose sum is σ = 334894560. Its totient is φ = 45769536.

The previous prime is 145887253. The next prime is 145887283. The reversal of 145887282 is 282788541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145887283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54438 + ... + 57054.

It is an arithmetic number, because the mean of its divisors is an integer number (6976970).

Almost surely, 2^145887282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145887282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167447280).

145887282 is an abundant number, since it is smaller than the sum of its proper divisors (189007278).

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

145887282 is a wasteful number, since it uses less digits than its factorization.

145887282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807 (or 2804 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 145887282 is about 12078.3807689607. The cubic root of 145887282 is about 526.4281983128.

The spelling of 145887282 in words is "one hundred forty-five million, eight hundred eighty-seven thousand, two hundred eighty-two".