1445628161149 has 2 divisors, whose sum is σ = 1445628161150. Its totient is φ = 1445628161148.

The previous prime is 1445628161147. The next prime is 1445628161179. The reversal of 1445628161149 is 9411618265441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1245266287225 + 200361873924 = 1115915^2 + 447618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445628161149 - 2¹ = 1445628161147 is a prime.

It is a super-2 number, since 2×1445628161149² (a number of 25 digits) contains 22 as substring.

Together with 1445628161147, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1445628161096 and 1445628161105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445628161143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722814080574 + 722814080575.

It is an arithmetic number, because the mean of its divisors is an integer number (722814080575).

Almost surely, 2^{1445628161149} is an apocalyptic number.

It is an amenable number.

1445628161149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445628161149 is an equidigital number, since it uses as much as digits as its factorization.

1445628161149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 52.

The spelling of 1445628161149 in words is "one trillion, four hundred forty-five billion, six hundred twenty-eight million, one hundred sixty-one thousand, one hundred forty-nine".