145653126466 has 4 divisors (see below), whose sum is σ = 218479689702. Its totient is φ = 72826563232.

The previous prime is 145653126457. The next prime is 145653126497. The reversal of 145653126466 is 664621356541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664621356541 = 14797 ⋅44915953.

It can be written as a sum of positive squares in only one way, i.e., 82639575841 + 63013550625 = 287471^2 + 251025^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36413281615 + ... + 36413281618.

Almost surely, 2^145653126466 is an apocalyptic number.

145653126466 is a deficient number, since it is larger than the sum of its proper divisors (72826563236).

145653126466 is an equidigital number, since it uses as much as digits as its factorization.

145653126466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72826563235.

The product of its digits is 3110400, while the sum is 49.

The spelling of 145653126466 in words is "one hundred forty-five billion, six hundred fifty-three million, one hundred twenty-six thousand, four hundred sixty-six".