145695506984417 has 4 divisors (see below), whose sum is σ = 156902853675540. Its totient is φ = 134488160293296.

The previous prime is 145695506984411. The next prime is 145695506984477. The reversal of 145695506984417 is 714489605596541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43270399744576 + 102425107239841 = 6578024^2 + 10120529^2 .

It is a cyclic number.

It is not a de Polignac number, because 145695506984417 - 2¹² = 145695506980321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145695506984411) 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 in 3 ways as a sum of consecutive naturals, for example, 5603673345542 + ... + 5603673345567.

It is an arithmetic number, because the mean of its divisors is an integer number (39225713418885).

Almost surely, 2^{145695506984417} is an apocalyptic number.

It is an amenable number.

145695506984417 is a deficient number, since it is larger than the sum of its proper divisors (11207346691123).

145695506984417 is a wasteful number, since it uses less digits than its factorization.

145695506984417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11207346691122.

The product of its (nonzero) digits is 1306368000, while the sum is 74.

The spelling of 145695506984417 in words is "one hundred forty-five trillion, six hundred ninety-five billion, five hundred six million, nine hundred eighty-four thousand, four hundred seventeen".