145144311 has 16 divisors (see below), whose sum is σ = 211526784. Its totient is φ = 87984864.

The previous prime is 145144273. The next prime is 145144331. The reversal of 145144311 is 113441541.

It is a happy number.

It is not a de Polignac number, because 145144311 - 2⁷ = 145144183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145144331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25161 + ... + 30386.

It is an arithmetic number, because the mean of its divisors is an integer number (13220424).

Almost surely, 2^145144311 is an apocalyptic number.

145144311 is a deficient number, since it is larger than the sum of its proper divisors (66382473).

145144311 is a wasteful number, since it uses less digits than its factorization.

145144311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55630.

The product of its digits is 960, while the sum is 24.

The square root of 145144311 is about 12047.5852767266. The cubic root of 145144311 is about 525.5330169372.

Adding to 145144311 its reverse (113441541), we get a palindrome (258585852).

The spelling of 145144311 in words is "one hundred forty-five million, one hundred forty-four thousand, three hundred eleven".