145443115 has 8 divisors (see below), whose sum is σ = 179249040. Its totient is φ = 113209632.

The previous prime is 145443097. The next prime is 145443127. The reversal of 145443115 is 511344541.

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

It is a cyclic number.

It is not a de Polignac number, because 145443115 - 2⁹ = 145442603 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 392905 + ... + 393274.

It is an arithmetic number, because the mean of its divisors is an integer number (22406130).

Almost surely, 2^145443115 is an apocalyptic number.

145443115 is a deficient number, since it is larger than the sum of its proper divisors (33805925).

145443115 is an equidigital number, since it uses as much as digits as its factorization.

145443115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786221.

The product of its digits is 4800, while the sum is 28.

The square root of 145443115 is about 12059.9798921889. The cubic root of 145443115 is about 525.8934024760.

Adding to 145443115 its reverse (511344541), we get a palindrome (656787656).

The spelling of 145443115 in words is "one hundred forty-five million, four hundred forty-three thousand, one hundred fifteen".