145530306 has 24 divisors (see below), whose sum is σ = 325488384. Its totient is φ = 46945080.

The previous prime is 145530271. The next prime is 145530311. The reversal of 145530306 is 603035541.

It is a self number, because there is not a number n which added to its sum of digits gives 145530306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129846 + ... + 130961.

It is an arithmetic number, because the mean of its divisors is an integer number (13562016).

Almost surely, 2^145530306 is an apocalyptic number.

145530306 is an abundant number, since it is smaller than the sum of its proper divisors (179958078).

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

145530306 is a wasteful number, since it uses less digits than its factorization.

145530306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260846 (or 260843 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 145530306 is about 12063.5942405238. The cubic root of 145530306 is about 525.9984699267.

Adding to 145530306 its reverse (603035541), we get a palindrome (748565847).

The spelling of 145530306 in words is "one hundred forty-five million, five hundred thirty thousand, three hundred six".