145155333545657 has 2 divisors, whose sum is σ = 145155333545658. Its totient is φ = 145155333545656.

The previous prime is 145155333545503. The next prime is 145155333545659. The reversal of 145155333545657 is 756545333551541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134200663419001 + 10954670126656 = 11584501^2 + 3309784^2 .

It is an emirp because it is prime and its reverse (756545333551541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145155333545657 - 2⁴⁶ = 74786589367993 is a prime.

Together with 145155333545659, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145155333545657.

It is not a weakly prime, because it can be changed into another prime (145155333545659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72577666772828 + 72577666772829.

It is an arithmetic number, because the mean of its divisors is an integer number (72577666772829).

Almost surely, 2^{145155333545657} is an apocalyptic number.

It is an amenable number.

145155333545657 is a deficient number, since it is larger than the sum of its proper divisors (1).

145155333545657 is an equidigital number, since it uses as much as digits as its factorization.

145155333545657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 283500000, while the sum is 62.

The spelling of 145155333545657 in words is "one hundred forty-five trillion, one hundred fifty-five billion, three hundred thirty-three million, five hundred forty-five thousand, six hundred fifty-seven".