1461200142542 has 8 divisors (see below), whose sum is σ = 2504914530096. Its totient is φ = 626228632512.

The previous prime is 1461200142511. The next prime is 1461200142581. The reversal of 1461200142542 is 2452410021641.

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

It is a super-2 number, since 2×1461200142542² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1461200142499 and 1461200142508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52185719363 + ... + 52185719390.

It is an arithmetic number, because the mean of its divisors is an integer number (313114316262).

Almost surely, 2^{1461200142542} is an apocalyptic number.

1461200142542 is a deficient number, since it is larger than the sum of its proper divisors (1043714387554).

1461200142542 is a wasteful number, since it uses less digits than its factorization.

1461200142542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104371438762.

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 1461200142542 in words is "one trillion, four hundred sixty-one billion, two hundred million, one hundred forty-two thousand, five hundred forty-two".