145223135326 has 16 divisors (see below), whose sum is σ = 227345126400. Its totient is φ = 69442519608.

The previous prime is 145223135293. The next prime is 145223135333. The reversal of 145223135326 is 623531322541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1746 + ... + 538933.

It is an arithmetic number, because the mean of its divisors is an integer number (14209070400).

Almost surely, 2^145223135326 is an apocalyptic number.

145223135326 is a deficient number, since it is larger than the sum of its proper divisors (82121991074).

145223135326 is a wasteful number, since it uses less digits than its factorization.

145223135326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546543.

The product of its digits is 129600, while the sum is 37.

Adding to 145223135326 its reverse (623531322541), we get a palindrome (768754457867).

The spelling of 145223135326 in words is "one hundred forty-five billion, two hundred twenty-three million, one hundred thirty-five thousand, three hundred twenty-six".