145130453424401 has 4 divisors (see below), whose sum is σ = 153667538919972. Its totient is φ = 136593367928832.

The previous prime is 145130453424353. The next prime is 145130453424419. The reversal of 145130453424401 is 104424354031541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62904567937600 + 82225885486801 = 7931240^2 + 9067849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145130453424401 is a prime.

It is a super-2 number, since 2×145130453424401² (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 (145130453424431) 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, 4268542747760 + ... + 4268542747793.

It is an arithmetic number, because the mean of its divisors is an integer number (38416884729993).

Almost surely, 2^{145130453424401} is an apocalyptic number.

It is an amenable number.

145130453424401 is a deficient number, since it is larger than the sum of its proper divisors (8537085495571).

145130453424401 is an equidigital number, since it uses as much as digits as its factorization.

145130453424401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537085495570.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 145130453424401 in words is "one hundred forty-five trillion, one hundred thirty billion, four hundred fifty-three million, four hundred twenty-four thousand, four hundred one".