1442505143154 has 32 divisors (see below), whose sum is σ = 2919883909824. Its totient is φ = 475023231680.

The previous prime is 1442505143141. The next prime is 1442505143207. The reversal of 1442505143154 is 4513415052441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19231684 + ... + 19306544.

It is an arithmetic number, because the mean of its divisors is an integer number (91246372182).

Almost surely, 2^{1442505143154} is an apocalyptic number.

1442505143154 is an abundant number, since it is smaller than the sum of its proper divisors (1477378766670).

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

1442505143154 is a wasteful number, since it uses less digits than its factorization.

1442505143154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113642.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 1442505143154 in words is "one trillion, four hundred forty-two billion, five hundred five million, one hundred forty-three thousand, one hundred fifty-four".