145530605533139 has 2 divisors, whose sum is σ = 145530605533140. Its totient is φ = 145530605533138.

The previous prime is 145530605533123. The next prime is 145530605533207. The reversal of 145530605533139 is 931335506035541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145530605533139 - 2⁴ = 145530605533123 is a prime.

It is not a weakly prime, because it can be changed into another prime (145530605533739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72765302766569 + 72765302766570.

It is an arithmetic number, because the mean of its divisors is an integer number (72765302766570).

Almost surely, 2^{145530605533139} is an apocalyptic number.

145530605533139 is a deficient number, since it is larger than the sum of its proper divisors (1).

145530605533139 is an equidigital number, since it uses as much as digits as its factorization.

145530605533139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935000, while the sum is 53.

The spelling of 145530605533139 in words is "one hundred forty-five trillion, five hundred thirty billion, six hundred five million, five hundred thirty-three thousand, one hundred thirty-nine".