145214332091 has 2 divisors, whose sum is σ = 145214332092. Its totient is φ = 145214332090.

The previous prime is 145214332079. The next prime is 145214332157. The reversal of 145214332091 is 190233412541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145214332091 is a prime.

It is not a weakly prime, because it can be changed into another prime (145214332391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72607166045 + 72607166046.

It is an arithmetic number, because the mean of its divisors is an integer number (72607166046).

Almost surely, 2^145214332091 is an apocalyptic number.

145214332091 is a deficient number, since it is larger than the sum of its proper divisors (1).

145214332091 is an equidigital number, since it uses as much as digits as its factorization.

145214332091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 145214332091 in words is "one hundred forty-five billion, two hundred fourteen million, three hundred thirty-two thousand, ninety-one".