147111772 has 48 divisors (see below), whose sum is σ = 281901312. Its totient is φ = 66971520.

The previous prime is 147111733. The next prime is 147111779. The reversal of 147111772 is 277111741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147111779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161743 + ... + 162649.

It is an arithmetic number, because the mean of its divisors is an integer number (5872944).

Almost surely, 2^147111772 is an apocalyptic number.

It is an amenable number.

147111772 is a deficient number, since it is larger than the sum of its proper divisors (134789540).

147111772 is a wasteful number, since it uses less digits than its factorization.

147111772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1016 counting only the distinct ones).

The product of its digits is 2744, while the sum is 31.

The square root of 147111772 is about 12128.9641767135. The cubic root of 147111772 is about 527.8969371460.

Subtracting from 147111772 its sum of digits (31), we obtain a palindrome (147111741).

The spelling of 147111772 in words is "one hundred forty-seven million, one hundred eleven thousand, seven hundred seventy-two".