1409145081846 has 12 divisors (see below), whose sum is σ = 2818295979156. Its totient is φ = 469714058040.

The previous prime is 1409145081811. The next prime is 1409145081863. The reversal of 1409145081846 is 6481805419041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2665416 + ... + 3150036.

It is an arithmetic number, because the mean of its divisors is an integer number (234857998263).

Almost surely, 2^{1409145081846} is an apocalyptic number.

1409145081846 is an abundant number, since it is smaller than the sum of its proper divisors (1409150897310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1409145081846 is an frugal number, since it uses more digits than its factorization.

1409145081846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969247 (or 484626 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 1409145081846 in words is "one trillion, four hundred nine billion, one hundred forty-five million, eighty-one thousand, eight hundred forty-six".