145332214 has 8 divisors (see below), whose sum is σ = 218049480. Its totient is φ = 72649056.

The previous prime is 145332211. The next prime is 145332223. The reversal of 145332214 is 412233541.

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

It is a super-2 number, since 2×145332214² = 42242904852283592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145332211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12382 + ... + 21070.

It is an arithmetic number, because the mean of its divisors is an integer number (27256185).

Almost surely, 2^145332214 is an apocalyptic number.

145332214 is a deficient number, since it is larger than the sum of its proper divisors (72717266).

145332214 is an equidigital number, since it uses as much as digits as its factorization.

145332214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17054.

The product of its digits is 2880, while the sum is 25.

The square root of 145332214 is about 12055.3811221379. The cubic root of 145332214 is about 525.7597031619.

Adding to 145332214 its reverse (412233541), we get a palindrome (557565755).

The spelling of 145332214 in words is "one hundred forty-five million, three hundred thirty-two thousand, two hundred fourteen".