147172765 has 16 divisors (see below), whose sum is σ = 187830720. Its totient is φ = 110384640.

The previous prime is 147172747. The next prime is 147172777. The reversal of 147172765 is 567271741.

It is a happy number.

It is not a de Polignac number, because 147172765 - 2⁵ = 147172733 is a prime.

It is a congruent number.

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, 1230 + ... + 17200.

It is an arithmetic number, because the mean of its divisors is an integer number (11739420).

Almost surely, 2^147172765 is an apocalyptic number.

It is an amenable number.

147172765 is a deficient number, since it is larger than the sum of its proper divisors (40657955).

147172765 is a wasteful number, since it uses less digits than its factorization.

147172765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16092.

The product of its digits is 82320, while the sum is 40.

The square root of 147172765 is about 12131.4782693619. The cubic root of 147172765 is about 527.9698829719.

The spelling of 147172765 in words is "one hundred forty-seven million, one hundred seventy-two thousand, seven hundred sixty-five".