145133235411973 has 2 divisors, whose sum is σ = 145133235411974. Its totient is φ = 145133235411972.

The previous prime is 145133235411961. The next prime is 145133235412027. The reversal of 145133235411973 is 379114532331541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129013636745889 + 16119598666084 = 11358417^2 + 4014922^2 .

It is a cyclic number.

It is not a de Polignac number, because 145133235411973 - 2²¹ = 145133233314821 is a prime.

It is a super-2 number, since 2×145133235411973² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145133235411973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145133235411473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72566617705986 + 72566617705987.

It is an arithmetic number, because the mean of its divisors is an integer number (72566617705987).

Almost surely, 2^{145133235411973} is an apocalyptic number.

It is an amenable number.

145133235411973 is a deficient number, since it is larger than the sum of its proper divisors (1).

145133235411973 is an equidigital number, since it uses as much as digits as its factorization.

145133235411973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 52.

The spelling of 145133235411973 in words is "one hundred forty-five trillion, one hundred thirty-three billion, two hundred thirty-five million, four hundred eleven thousand, nine hundred seventy-three".