147442765 has 16 divisors (see below), whose sum is σ = 189133056. Its totient is φ = 110070400.

The previous prime is 147442759. The next prime is 147442769. The reversal of 147442765 is 567244741.

It is not a de Polignac number, because 147442765 - 2⁷ = 147442637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147442769) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10921 + ... + 20350.

It is an arithmetic number, because the mean of its divisors is an integer number (11820816).

Almost surely, 2^147442765 is an apocalyptic number.

It is an amenable number.

147442765 is a deficient number, since it is larger than the sum of its proper divisors (41690291).

147442765 is a wasteful number, since it uses less digits than its factorization.

147442765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31340.

The product of its digits is 188160, while the sum is 40.

The square root of 147442765 is about 12142.6012452028. The cubic root of 147442765 is about 528.2925531410.

The spelling of 147442765 in words is "one hundred forty-seven million, four hundred forty-two thousand, seven hundred sixty-five".