145552326331 has 2 divisors, whose sum is σ = 145552326332. Its totient is φ = 145552326330.

The previous prime is 145552326301. The next prime is 145552326347. The reversal of 145552326331 is 133623255541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145552326331 - 2⁹ = 145552325819 is a prime.

It is a super-2 number, since 2×145552326331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145552326301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72776163165 + 72776163166.

It is an arithmetic number, because the mean of its divisors is an integer number (72776163166).

Almost surely, 2^145552326331 is an apocalyptic number.

145552326331 is a deficient number, since it is larger than the sum of its proper divisors (1).

145552326331 is an equidigital number, since it uses as much as digits as its factorization.

145552326331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 40.

The spelling of 145552326331 in words is "one hundred forty-five billion, five hundred fifty-two million, three hundred twenty-six thousand, three hundred thirty-one".