1442061728745 has 32 divisors (see below), whose sum is σ = 2520872893440. Its totient is φ = 698120418240.

The previous prime is 1442061728743. The next prime is 1442061728777. The reversal of 1442061728745 is 5478271602441.

It is not a de Polignac number, because 1442061728745 - 2¹ = 1442061728743 is a prime.

It is a super-2 number, since 2×1442061728745² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442061728741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6522349 + ... + 6739818.

It is an arithmetic number, because the mean of its divisors is an integer number (78777277920).

Almost surely, 2^{1442061728745} is an apocalyptic number.

1442061728745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442061728745 is a deficient number, since it is larger than the sum of its proper divisors (1078811164695).

1442061728745 is a wasteful number, since it uses less digits than its factorization.

1442061728745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13262845.

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 1442061728745 in words is "one trillion, four hundred forty-two billion, sixty-one million, seven hundred twenty-eight thousand, seven hundred forty-five".