1474743381144 has 128 divisors (see below), whose sum is σ = 4081762713600. Its totient is φ = 440279199360.

The previous prime is 1474743381107. The next prime is 1474743381161. The reversal of 1474743381144 is 4411833474741.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9579967 + ... + 9732689.

It is an arithmetic number, because the mean of its divisors is an integer number (31888771200).

Almost surely, 2^{1474743381144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1474743381144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2040881356800).

1474743381144 is an abundant number, since it is smaller than the sum of its proper divisors (2607019332456).

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

1474743381144 is a wasteful number, since it uses less digits than its factorization.

1474743381144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153285 (or 153281 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 51.

The spelling of 1474743381144 in words is "one trillion, four hundred seventy-four billion, seven hundred forty-three million, three hundred eighty-one thousand, one hundred forty-four".