145730579999 has 2 divisors, whose sum is σ = 145730580000. Its totient is φ = 145730579998.

The previous prime is 145730579921. The next prime is 145730580049. The reversal of 145730579999 is 999975037541.

It is a strong prime.

It is an emirp because it is prime and its reverse (999975037541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145730579999 - 2²⁴ = 145713802783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145730579699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72865289999 + 72865290000.

It is an arithmetic number, because the mean of its divisors is an integer number (72865290000).

Almost surely, 2^145730579999 is an apocalyptic number.

145730579999 is a deficient number, since it is larger than the sum of its proper divisors (1).

145730579999 is an equidigital number, since it uses as much as digits as its factorization.

145730579999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96446700, while the sum is 68.

The spelling of 145730579999 in words is "one hundred forty-five billion, seven hundred thirty million, five hundred seventy-nine thousand, nine hundred ninety-nine".