145795180019 has 2 divisors, whose sum is σ = 145795180020. Its totient is φ = 145795180018.

The previous prime is 145795180007. The next prime is 145795180049. The reversal of 145795180019 is 910081597541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145795180019 is a prime.

It is a super-2 number, since 2×145795180019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145795180049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72897590009 + 72897590010.

It is an arithmetic number, because the mean of its divisors is an integer number (72897590010).

Almost surely, 2^145795180019 is an apocalyptic number.

145795180019 is a deficient number, since it is larger than the sum of its proper divisors (1).

145795180019 is an equidigital number, since it uses as much as digits as its factorization.

145795180019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 50.

The spelling of 145795180019 in words is "one hundred forty-five billion, seven hundred ninety-five million, one hundred eighty thousand, nineteen".