145022203191 has 4 divisors (see below), whose sum is σ = 193362937592. Its totient is φ = 96681468792.

The previous prime is 145022203159. The next prime is 145022203201. The reversal of 145022203191 is 191302220541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145022203191 - 2⁵ = 145022203159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145022203121) 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 in 3 ways as a sum of consecutive naturals, for example, 24170367196 + ... + 24170367201.

It is an arithmetic number, because the mean of its divisors is an integer number (48340734398).

Almost surely, 2^145022203191 is an apocalyptic number.

145022203191 is a deficient number, since it is larger than the sum of its proper divisors (48340734401).

145022203191 is an equidigital number, since it uses as much as digits as its factorization.

145022203191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48340734400.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 145022203191 in words is "one hundred forty-five billion, twenty-two million, two hundred three thousand, one hundred ninety-one".