145123343014451 has 4 divisors (see below), whose sum is σ = 145123612829400. Its totient is φ = 145123073199504.

The previous prime is 145123343014439. The next prime is 145123343014469. The reversal of 145123343014451 is 154410343321541.

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 145123343014451 - 2⁶ = 145123343014387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145123343014399 and 145123343014408.

It is not an unprimeable number, because it can be changed into a prime (145123343014051) 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, 134099066 + ... + 135176943.

It is an arithmetic number, because the mean of its divisors is an integer number (36280903207350).

Almost surely, 2^{145123343014451} is an apocalyptic number.

145123343014451 is a deficient number, since it is larger than the sum of its proper divisors (269814949).

145123343014451 is an equidigital number, since it uses as much as digits as its factorization.

145123343014451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269814948.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 145123343014451 its reverse (154410343321541), we get a palindrome (299533686335992).

The spelling of 145123343014451 in words is "one hundred forty-five trillion, one hundred twenty-three billion, three hundred forty-three million, fourteen thousand, four hundred fifty-one".