145532433091 has 2 divisors, whose sum is σ = 145532433092. Its totient is φ = 145532433090.

The previous prime is 145532433083. The next prime is 145532433107. The reversal of 145532433091 is 190334235541.

It is a weak prime.

It is an emirp because it is prime and its reverse (190334235541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145532433091 - 2³ = 145532433083 is a prime.

It is not a weakly prime, because it can be changed into another prime (145532433191) 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 as a sum of consecutive naturals, namely, 72766216545 + 72766216546.

It is an arithmetic number, because the mean of its divisors is an integer number (72766216546).

Almost surely, 2^145532433091 is an apocalyptic number.

145532433091 is a deficient number, since it is larger than the sum of its proper divisors (1).

145532433091 is an equidigital number, since it uses as much as digits as its factorization.

145532433091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 145532433091 in words is "one hundred forty-five billion, five hundred thirty-two million, four hundred thirty-three thousand, ninety-one".