145306606863223 has 4 divisors (see below), whose sum is σ = 156484038160408. Its totient is φ = 134129175566040.

The previous prime is 145306606863217. The next prime is 145306606863241. The reversal of 145306606863223 is 322368606603541.

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

It is a cyclic number.

It is not a de Polignac number, because 145306606863223 - 2¹⁷ = 145306606732151 is a prime.

It is a super-2 number, since 2×145306606863223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145306606863293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5588715648573 + ... + 5588715648598.

It is an arithmetic number, because the mean of its divisors is an integer number (39121009540102).

Almost surely, 2^{145306606863223} is an apocalyptic number.

145306606863223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145306606863223 is a deficient number, since it is larger than the sum of its proper divisors (11177431297185).

145306606863223 is a wasteful number, since it uses less digits than its factorization.

145306606863223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11177431297184.

The product of its (nonzero) digits is 22394880, while the sum is 55.

The spelling of 145306606863223 in words is "one hundred forty-five trillion, three hundred six billion, six hundred six million, eight hundred sixty-three thousand, two hundred twenty-three".