145104145349993 has 2 divisors, whose sum is σ = 145104145349994. Its totient is φ = 145104145349992.

The previous prime is 145104145349957. The next prime is 145104145350083. The reversal of 145104145349993 is 399943541401541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106885574748304 + 38218570601689 = 10338548^2 + 6182117^2 .

It is a cyclic number.

It is not a de Polignac number, because 145104145349993 - 2²² = 145104141155689 is a prime.

It is not a weakly prime, because it can be changed into another prime (145104145349693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72552072674996 + 72552072674997.

It is an arithmetic number, because the mean of its divisors is an integer number (72552072674997).

Almost surely, 2^{145104145349993} is an apocalyptic number.

It is an amenable number.

145104145349993 is a deficient number, since it is larger than the sum of its proper divisors (1).

145104145349993 is an equidigital number, since it uses as much as digits as its factorization.

145104145349993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 145104145349993 in words is "one hundred forty-five trillion, one hundred four billion, one hundred forty-five million, three hundred forty-nine thousand, nine hundred ninety-three".