145517824747 has 2 divisors, whose sum is σ = 145517824748. Its totient is φ = 145517824746.

The previous prime is 145517824729. The next prime is 145517824787. The reversal of 145517824747 is 747428715541.

145517824747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (747428715541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145517824747 - 2¹⁹ = 145517300459 is a prime.

It is a super-2 number, since 2×145517824747² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145517824787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72758912373 + 72758912374.

It is an arithmetic number, because the mean of its divisors is an integer number (72758912374).

Almost surely, 2^145517824747 is an apocalyptic number.

145517824747 is a deficient number, since it is larger than the sum of its proper divisors (1).

145517824747 is an equidigital number, since it uses as much as digits as its factorization.

145517824747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8780800, while the sum is 55.

The spelling of 145517824747 in words is "one hundred forty-five billion, five hundred seventeen million, eight hundred twenty-four thousand, seven hundred forty-seven".