145123343014452 has 96 divisors (see below), whose sum is σ = 371740419840384. Its totient is φ = 43699246694400.

The previous prime is 145123343014439. The next prime is 145123343014469. The reversal of 145123343014452 is 254410343321541.

145123343014452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19211398 + ... + 25677314.

It is an arithmetic number, because the mean of its divisors is an integer number (3872296040004).

Almost surely, 2^{145123343014452} is an apocalyptic number.

145123343014452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145123343014452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185870209920192).

145123343014452 is an abundant number, since it is smaller than the sum of its proper divisors (226617076825932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145123343014452 is a wasteful number, since it uses less digits than its factorization.

145123343014452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467009 (or 6467007 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 145123343014452 its reverse (254410343321541), we get a palindrome (399533686335993).

The spelling of 145123343014452 in words is "one hundred forty-five trillion, one hundred twenty-three billion, three hundred forty-three million, fourteen thousand, four hundred fifty-two".