145234111 has 16 divisors (see below), whose sum is σ = 169011360. Its totient is φ = 123335680.

The previous prime is 145234099. The next prime is 145234127. The reversal of 145234111 is 111432541.

It is not a de Polignac number, because 145234111 - 2²⁵ = 111679679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145234211) 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 15 ways as a sum of consecutive naturals, for example, 22785 + ... + 28453.

It is an arithmetic number, because the mean of its divisors is an integer number (10563210).

Almost surely, 2^145234111 is an apocalyptic number.

145234111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145234111 is a deficient number, since it is larger than the sum of its proper divisors (23777249).

145234111 is a wasteful number, since it uses less digits than its factorization.

145234111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834.

The product of its digits is 480, while the sum is 22.

The square root of 145234111 is about 12051.3115883708. The cubic root of 145234111 is about 525.6413760714.

Adding to 145234111 its reverse (111432541), we get a palindrome (256666652).

It can be divided in two parts, 145 and 234111, that added together give a 4-th power (234256 = 22⁴).

The spelling of 145234111 in words is "one hundred forty-five million, two hundred thirty-four thousand, one hundred eleven".