145671301453 has 2 divisors, whose sum is σ = 145671301454. Its totient is φ = 145671301452.

The previous prime is 145671301439. The next prime is 145671301553. The reversal of 145671301453 is 354103176541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121035801604 + 24635499849 = 347902^2 + 156957^2 .

It is an emirp because it is prime and its reverse (354103176541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145671301453 - 2²¹ = 145669204301 is a prime.

It is a super-2 number, since 2×145671301453² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145671301553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72835650726 + 72835650727.

It is an arithmetic number, because the mean of its divisors is an integer number (72835650727).

Almost surely, 2^145671301453 is an apocalyptic number.

It is an amenable number.

145671301453 is a deficient number, since it is larger than the sum of its proper divisors (1).

145671301453 is an equidigital number, since it uses as much as digits as its factorization.

145671301453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

Adding to 145671301453 its reverse (354103176541), we get a palindrome (499774477994).

The spelling of 145671301453 in words is "one hundred forty-five billion, six hundred seventy-one million, three hundred one thousand, four hundred fifty-three".