145653126446 has 4 divisors (see below), whose sum is σ = 218479689672. Its totient is φ = 72826563222.

The previous prime is 145653126403. The next prime is 145653126449. The reversal of 145653126446 is 644621356541.

145653126446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 145653126446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145653126449) 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, 36413281610 + ... + 36413281613.

It is an arithmetic number, because the mean of its divisors is an integer number (54619922418).

Almost surely, 2^145653126446 is an apocalyptic number.

145653126446 is a deficient number, since it is larger than the sum of its proper divisors (72826563226).

145653126446 is an equidigital number, since it uses as much as digits as its factorization.

145653126446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72826563225.

The product of its digits is 2073600, while the sum is 47.

The spelling of 145653126446 in words is "one hundred forty-five billion, six hundred fifty-three million, one hundred twenty-six thousand, four hundred forty-six".