1442081152575 has 54 divisors (see below), whose sum is σ = 2952014787384. Its totient is φ = 659215311840.

The previous prime is 1442081152549. The next prime is 1442081152583. The reversal of 1442081152575 is 5752511802441.

1442081152575 is a `hidden beast` number, since 1 + 4 + 4 + 20 + 8 + 1 + 1 + 52 + 575 = 666.

It is not a de Polignac number, because 1442081152575 - 2¹⁰ = 1442081151551 is a prime.

It is a super-3 number, since 3×1442081152575³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1442081152575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 47642796 + ... + 47673054.

Almost surely, 2^{1442081152575} is an apocalyptic number.

1442081152575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1442081152575 is an abundant number, since it is smaller than the sum of its proper divisors (1509933634809).

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

1442081152575 is an frugal number, since it uses more digits than its factorization.

1442081152575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60541 (or 30274 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 1442081152575 in words is "one trillion, four hundred forty-two billion, eighty-one million, one hundred fifty-two thousand, five hundred seventy-five".