147865142 has 16 divisors (see below), whose sum is σ = 231109200. Its totient is φ = 70865760.

The previous prime is 147865139. The next prime is 147865187. The reversal of 147865142 is 241568741.

It is a junction number, because it is equal to n+sod(n) for n = 147865096 and 147865105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109 + ... + 17232.

It is an arithmetic number, because the mean of its divisors is an integer number (14444325).

Almost surely, 2^147865142 is an apocalyptic number.

147865142 is a deficient number, since it is larger than the sum of its proper divisors (83244058).

147865142 is a wasteful number, since it uses less digits than its factorization.

147865142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18511.

The product of its digits is 53760, while the sum is 38.

The square root of 147865142 is about 12159.9811677486. The cubic root of 147865142 is about 528.7965360216.

The spelling of 147865142 in words is "one hundred forty-seven million, eight hundred sixty-five thousand, one hundred forty-two".