145808735243 has 2 divisors, whose sum is σ = 145808735244. Its totient is φ = 145808735242.

The previous prime is 145808735239. The next prime is 145808735251. The reversal of 145808735243 is 342537808541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145808735243 - 2² = 145808735239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145808735191 and 145808735200.

It is not a weakly prime, because it can be changed into another prime (145808735843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72904367621 + 72904367622.

It is an arithmetic number, because the mean of its divisors is an integer number (72904367622).

Almost surely, 2^145808735243 is an apocalyptic number.

145808735243 is a deficient number, since it is larger than the sum of its proper divisors (1).

145808735243 is an equidigital number, since it uses as much as digits as its factorization.

145808735243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 145808735243 in words is "one hundred forty-five billion, eight hundred eight million, seven hundred thirty-five thousand, two hundred forty-three".