145330302 has 48 divisors (see below), whose sum is σ = 321944112. Its totient is φ = 43476480.

The previous prime is 145330277. The next prime is 145330309. The reversal of 145330302 is 203033541.

It is a super-2 number, since 2×145330302² = 42241793358822408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145330309) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 106102 + ... + 107462.

It is an arithmetic number, because the mean of its divisors is an integer number (6707169).

Almost surely, 2^145330302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145330302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160972056).

145330302 is an abundant number, since it is smaller than the sum of its proper divisors (176613810).

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

145330302 is a wasteful number, since it uses less digits than its factorization.

145330302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 145330302 is about 12055.3018211905. The cubic root of 145330302 is about 525.7573975090.

Adding to 145330302 its reverse (203033541), we get a palindrome (348363843).

The spelling of 145330302 in words is "one hundred forty-five million, three hundred thirty thousand, three hundred two".