145412012203323 has 16 divisors (see below), whose sum is σ = 197062376534016. Its totient is φ = 95351515460640.

The previous prime is 145412012203309. The next prime is 145412012203349. The reversal of 145412012203323 is 323302210214541.

It is a happy number.

It is not a de Polignac number, because 145412012203323 - 2⁴ = 145412012203307 is a prime.

It is a super-2 number, since 2×145412012203323² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145412012203223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26333190 + ... + 31372932.

It is an arithmetic number, because the mean of its divisors is an integer number (12316398533376).

Almost surely, 2^{145412012203323} is an apocalyptic number.

145412012203323 is a deficient number, since it is larger than the sum of its proper divisors (51650364330693).

145412012203323 is a wasteful number, since it uses less digits than its factorization.

145412012203323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197474.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 145412012203323 its reverse (323302210214541), we get a palindrome (468714222417864).

The spelling of 145412012203323 in words is "one hundred forty-five trillion, four hundred twelve billion, twelve million, two hundred three thousand, three hundred twenty-three".