145344232305451 has 8 divisors (see below), whose sum is σ = 154712961651600. Its totient is φ = 136147406250240.

The previous prime is 145344232305379. The next prime is 145344232305469. The reversal of 145344232305451 is 154503232443541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 145344232305451 - 2⁹ = 145344232304939 is a prime.

It is a super-2 number, since 2×145344232305451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145344232335451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42975820990 + ... + 42975824371.

It is an arithmetic number, because the mean of its divisors is an integer number (19339120206450).

Almost surely, 2^{145344232305451} is an apocalyptic number.

145344232305451 is a deficient number, since it is larger than the sum of its proper divisors (9368729346149).

145344232305451 is an equidigital number, since it uses as much as digits as its factorization.

145344232305451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85951645469.

The product of its (nonzero) digits is 3456000, while the sum is 46.

Adding to 145344232305451 its reverse (154503232443541), we get a palindrome (299847464748992).

The spelling of 145344232305451 in words is "one hundred forty-five trillion, three hundred forty-four billion, two hundred thirty-two million, three hundred five thousand, four hundred fifty-one".