145624147091 has 2 divisors, whose sum is σ = 145624147092. Its totient is φ = 145624147090.

The previous prime is 145624147073. The next prime is 145624147121. The reversal of 145624147091 is 190741426541.

It is a weak prime.

It is an emirp because it is prime and its reverse (190741426541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145624147091 - 2²⁶ = 145557038227 is a prime.

It is not a weakly prime, because it can be changed into another prime (145624147021) 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, 72812073545 + 72812073546.

It is an arithmetic number, because the mean of its divisors is an integer number (72812073546).

Almost surely, 2^145624147091 is an apocalyptic number.

145624147091 is a deficient number, since it is larger than the sum of its proper divisors (1).

145624147091 is an equidigital number, since it uses as much as digits as its factorization.

145624147091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 145624147091 in words is "one hundred forty-five billion, six hundred twenty-four million, one hundred forty-seven thousand, ninety-one".