1445628161129 has 8 divisors (see below), whose sum is σ = 1529598385440. Its totient is φ = 1362446390016.

The previous prime is 1445628161111. The next prime is 1445628161143. The reversal of 1445628161129 is 9211618265441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445628161129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445628161149) 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, 197109527 + ... + 197116860.

It is an arithmetic number, because the mean of its divisors is an integer number (191199798180).

Almost surely, 2^{1445628161129} is an apocalyptic number.

1445628161129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1445628161129 is a deficient number, since it is larger than the sum of its proper divisors (83970224311).

1445628161129 is a wasteful number, since it uses less digits than its factorization.

1445628161129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394226599.

The product of its digits is 829440, while the sum is 50.

The spelling of 1445628161129 in words is "one trillion, four hundred forty-five billion, six hundred twenty-eight million, one hundred sixty-one thousand, one hundred twenty-nine".