145501445523311 has 16 divisors (see below), whose sum is σ = 154063206506496. Its totient is φ = 137190591000000.

The previous prime is 145501445523293. The next prime is 145501445523319. The reversal of 145501445523311 is 113325544105541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145501445523311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145501445523319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75262475 + ... + 77171516.

It is an arithmetic number, because the mean of its divisors is an integer number (9628950406656).

Almost surely, 2^{145501445523311} is an apocalyptic number.

145501445523311 is a deficient number, since it is larger than the sum of its proper divisors (8561760983185).

145501445523311 is a wasteful number, since it uses less digits than its factorization.

145501445523311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152434814.

The product of its (nonzero) digits is 720000, while the sum is 44.

Adding to 145501445523311 its reverse (113325544105541), we get a palindrome (258826989628852).

The spelling of 145501445523311 in words is "one hundred forty-five trillion, five hundred one billion, four hundred forty-five million, five hundred twenty-three thousand, three hundred eleven".