1445401131353 has 2 divisors, whose sum is σ = 1445401131354. Its totient is φ = 1445401131352.

The previous prime is 1445401131347. The next prime is 1445401131401. The reversal of 1445401131353 is 3531311045441.

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., 819003280144 + 626397851209 = 904988^2 + 791453^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445401131353 - 2²⁴ = 1445384354137 is a prime.

It is a super-2 number, since 2×1445401131353² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1445401131313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722700565676 + 722700565677.

It is an arithmetic number, because the mean of its divisors is an integer number (722700565677).

Almost surely, 2^{1445401131353} is an apocalyptic number.

It is an amenable number.

1445401131353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445401131353 is an equidigital number, since it uses as much as digits as its factorization.

1445401131353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 1445401131353 its reverse (3531311045441), we get a palindrome (4976712176794).

The spelling of 1445401131353 in words is "one trillion, four hundred forty-five billion, four hundred one million, one hundred thirty-one thousand, three hundred fifty-three".