145011523055501 has 2 divisors, whose sum is σ = 145011523055502. Its totient is φ = 145011523055500.

The previous prime is 145011523055473. The next prime is 145011523055519. The reversal of 145011523055501 is 105550325110541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144897313528900 + 114209526601 = 12037330^2 + 337949^2 .

It is a cyclic number.

It is not a de Polignac number, because 145011523055501 - 2⁴² = 140613476544397 is a prime.

It is a super-2 number, since 2×145011523055501² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145011523055801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72505761527750 + 72505761527751.

It is an arithmetic number, because the mean of its divisors is an integer number (72505761527751).

Almost surely, 2^{145011523055501} is an apocalyptic number.

It is an amenable number.

145011523055501 is a deficient number, since it is larger than the sum of its proper divisors (1).

145011523055501 is an equidigital number, since it uses as much as digits as its factorization.

145011523055501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 145011523055501 in words is "one hundred forty-five trillion, eleven billion, five hundred twenty-three million, fifty-five thousand, five hundred one".