145485575397 has 6 divisors (see below), whose sum is σ = 210145831142. Its totient is φ = 96990383592.

The previous prime is 145485575369. The next prime is 145485575401. The reversal of 145485575397 is 793575584541.

145485575397 is a `hidden beast` number, since 1 + 4 + 5 + 48 + 5 + 57 + 539 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86812140321 + 58673435076 = 294639^2 + 242226^2 .

It is not a de Polignac number, because 145485575397 - 2¹⁹ = 145485051109 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 (145485575327) 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 in 5 ways as a sum of consecutive naturals, for example, 8082531958 + ... + 8082531975.

Almost surely, 2^145485575397 is an apocalyptic number.

It is an amenable number.

145485575397 is a deficient number, since it is larger than the sum of its proper divisors (64660255745).

145485575397 is a wasteful number, since it uses less digits than its factorization.

145485575397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16165063939 (or 16165063936 counting only the distinct ones).

The product of its digits is 105840000, while the sum is 63.

The spelling of 145485575397 in words is "one hundred forty-five billion, four hundred eighty-five million, five hundred seventy-five thousand, three hundred ninety-seven".