145123326 has 20 divisors (see below), whose sum is σ = 325184112. Its totient is φ = 48374388.

The previous prime is 145123291. The next prime is 145123327. The reversal of 145123326 is 623321541.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145123326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145123327) 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 9 ways as a sum of consecutive naturals, for example, 447750 + ... + 448073.

Almost surely, 2^145123326 is an apocalyptic number.

145123326 is an abundant number, since it is smaller than the sum of its proper divisors (180060786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145123326 is an equidigital number, since it uses as much as digits as its factorization.

145123326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895837 (or 895828 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 145123326 is about 12046.7143238312. The cubic root of 145123326 is about 525.5076884858.

Adding to 145123326 its reverse (623321541), we get a palindrome (768444867).

The spelling of 145123326 in words is "one hundred forty-five million, one hundred twenty-three thousand, three hundred twenty-six".