1154265642142 has 16 divisors (see below), whose sum is σ = 1751251758480. Its totient is φ = 570518014528.

The previous prime is 1154265642139. The next prime is 1154265642151. The reversal of 1154265642142 is 2412465624511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45273 + ... + 1520059.

It is an arithmetic number, because the mean of its divisors is an integer number (109453234905).

Almost surely, 2^{1154265642142} is an apocalyptic number.

1154265642142 is a deficient number, since it is larger than the sum of its proper divisors (596986116338).

1154265642142 is a wasteful number, since it uses less digits than its factorization.

1154265642142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479275.

The product of its digits is 460800, while the sum is 43.

The spelling of 1154265642142 in words is "one trillion, one hundred fifty-four billion, two hundred sixty-five million, six hundred forty-two thousand, one hundred forty-two".