145230302 has 16 divisors (see below), whose sum is σ = 249123840. Its totient is φ = 62202168.

The previous prime is 145230299. The next prime is 145230317. The reversal of 145230302 is 203032541.

It is a happy number.

It is a super-2 number, since 2×145230302² = 42183681238022408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35099 + ... + 39017.

It is an arithmetic number, because the mean of its divisors is an integer number (15570240).

Almost surely, 2^145230302 is an apocalyptic number.

145230302 is a deficient number, since it is larger than the sum of its proper divisors (103893538).

145230302 is a wasteful number, since it uses less digits than its factorization.

145230302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 145230302 is about 12051.1535547432. The cubic root of 145230302 is about 525.6367807655.

Adding to 145230302 its reverse (203032541), we get a palindrome (348262843).

The spelling of 145230302 in words is "one hundred forty-five million, two hundred thirty thousand, three hundred two".