145206561119 has 2 divisors, whose sum is σ = 145206561120. Its totient is φ = 145206561118.

The previous prime is 145206561007. The next prime is 145206561121. The reversal of 145206561119 is 911165602541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145206561119 - 2²⁴ = 145189783903 is a prime.

It is a super-2 number, since 2×145206561119² (a number of 23 digits) contains 22 as substring.

Together with 145206561121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145206561139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72603280559 + 72603280560.

It is an arithmetic number, because the mean of its divisors is an integer number (72603280560).

Almost surely, 2^145206561119 is an apocalyptic number.

145206561119 is a deficient number, since it is larger than the sum of its proper divisors (1).

145206561119 is an equidigital number, since it uses as much as digits as its factorization.

145206561119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 145206561119 in words is "one hundred forty-five billion, two hundred six million, five hundred sixty-one thousand, one hundred nineteen".