145463819755 has 4 divisors (see below), whose sum is σ = 174556583712. Its totient is φ = 116371055800.

The previous prime is 145463819741. The next prime is 145463819801. The reversal of 145463819755 is 557918364541.

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

It is a de Polignac number, because none of the positive numbers 2^k-145463819755 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145463819755.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14546381971 + ... + 14546381980.

It is an arithmetic number, because the mean of its divisors is an integer number (43639145928).

Almost surely, 2^145463819755 is an apocalyptic number.

145463819755 is a deficient number, since it is larger than the sum of its proper divisors (29092763957).

145463819755 is an equidigital number, since it uses as much as digits as its factorization.

145463819755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29092763956.

The product of its digits is 18144000, while the sum is 58.

The spelling of 145463819755 in words is "one hundred forty-five billion, four hundred sixty-three million, eight hundred nineteen thousand, seven hundred fifty-five".