145145345 has 8 divisors (see below), whose sum is σ = 174482880. Its totient is φ = 115910640.

The previous prime is 145145333. The next prime is 145145347. The reversal of 145145345 is 543541541.

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

It is not a de Polignac number, because 145145345 - 2⁶ = 145145281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145145347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22565 + ... + 28274.

It is an arithmetic number, because the mean of its divisors is an integer number (21810360).

Almost surely, 2^145145345 is an apocalyptic number.

It is an amenable number.

145145345 is a deficient number, since it is larger than the sum of its proper divisors (29337535).

145145345 is an equidigital number, since it uses as much as digits as its factorization.

145145345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51415.

The product of its digits is 24000, while the sum is 32.

The square root of 145145345 is about 12047.6281898140. The cubic root of 145145345 is about 525.5342648902.

Adding to 145145345 its reverse (543541541), we get a palindrome (688686886).

The spelling of 145145345 in words is "one hundred forty-five million, one hundred forty-five thousand, three hundred forty-five".