145304306 has 24 divisors (see below), whose sum is σ = 254779056. Its totient is φ = 61969320.

The previous prime is 145304293. The next prime is 145304311. The reversal of 145304306 is 603403541.

It is a super-2 number, since 2×145304306² = 42226682684283272, which contains 22 as substring.

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, 17165 + ... + 24191.

It is an arithmetic number, because the mean of its divisors is an integer number (10615794).

Almost surely, 2^145304306 is an apocalyptic number.

145304306 is a deficient number, since it is larger than the sum of its proper divisors (109474750).

145304306 is a wasteful number, since it uses less digits than its factorization.

145304306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254 (or 7247 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 145304306 is about 12054.2235751624. The cubic root of 145304306 is about 525.7260473039.

Adding to 145304306 its reverse (603403541), we get a palindrome (748707847).

The spelling of 145304306 in words is "one hundred forty-five million, three hundred four thousand, three hundred six".