145346533222423 has 8 divisors (see below), whose sum is σ = 159480376076448. Its totient is φ = 131634596125344.

The previous prime is 145346533222421. The next prime is 145346533222433. The reversal of 145346533222423 is 324222335643541.

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

It is not a de Polignac number, because 145346533222423 - 2¹ = 145346533222421 is a prime.

It is a super-2 number, since 2×145346533222423² (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 (145346533222421) 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 in 7 ways as a sum of consecutive naturals, for example, 105476438515 + ... + 105476439892.

It is an arithmetic number, because the mean of its divisors is an integer number (19935047009556).

Almost surely, 2^{145346533222423} is an apocalyptic number.

145346533222423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145346533222423 is a deficient number, since it is larger than the sum of its proper divisors (14133842854025).

145346533222423 is a wasteful number, since it uses less digits than its factorization.

145346533222423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210952878473.

The product of its digits is 12441600, while the sum is 49.

Adding to 145346533222423 its reverse (324222335643541), we get a palindrome (469568868865964).

The spelling of 145346533222423 in words is "one hundred forty-five trillion, three hundred forty-six billion, five hundred thirty-three million, two hundred twenty-two thousand, four hundred twenty-three".