146455131697 has 36 divisors (see below), whose sum is σ = 175443803904. Its totient is φ = 119636412480.

The previous prime is 146455131689. The next prime is 146455131707. The reversal of 146455131697 is 796131554641.

146455131697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146455131697 - 2³ = 146455131689 is a prime.

It is a super-2 number, since 2×146455131697² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146455131607) 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 35 ways as a sum of consecutive naturals, for example, 467907613 + ... + 467907925.

Almost surely, 2^146455131697 is an apocalyptic number.

It is an amenable number.

146455131697 is a deficient number, since it is larger than the sum of its proper divisors (28988672207).

146455131697 is an frugal number, since it uses more digits than its factorization.

146455131697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 434 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The spelling of 146455131697 in words is "one hundred forty-six billion, four hundred fifty-five million, one hundred thirty-one thousand, six hundred ninety-seven".