145446344563 has 8 divisors (see below), whose sum is σ = 156651604256. Its totient is φ = 134243524800.

The previous prime is 145446344557. The next prime is 145446344623. The reversal of 145446344563 is 365443644541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145446344563 - 2⁵ = 145446344531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145446344863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485223 + ... + 725488.

It is an arithmetic number, because the mean of its divisors is an integer number (19581450532).

Almost surely, 2^145446344563 is an apocalyptic number.

145446344563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145446344563 is a deficient number, since it is larger than the sum of its proper divisors (11205259693).

145446344563 is a wasteful number, since it uses less digits than its factorization.

145446344563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219965.

The product of its digits is 8294400, while the sum is 49.

The spelling of 145446344563 in words is "one hundred forty-five billion, four hundred forty-six million, three hundred forty-four thousand, five hundred sixty-three".