145668230 has 8 divisors (see below), whose sum is σ = 262202832. Its totient is φ = 58267288.

The previous prime is 145668217. The next prime is 145668233. The reversal of 145668230 is 32866541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145668233) 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 3 ways as a sum of consecutive naturals, for example, 7283402 + ... + 7283421.

It is an arithmetic number, because the mean of its divisors is an integer number (32775354).

Almost surely, 2^145668230 is an apocalyptic number.

145668230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145668230 is a deficient number, since it is larger than the sum of its proper divisors (116534602).

145668230 is a wasteful number, since it uses less digits than its factorization.

145668230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14566830.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 145668230 is about 12069.3094251494. The cubic root of 145668230 is about 526.1645863147.

The spelling of 145668230 in words is "one hundred forty-five million, six hundred sixty-eight thousand, two hundred thirty".