172071148 has 6 divisors (see below), whose sum is σ = 301124516. Its totient is φ = 86035572.

The previous prime is 172071143. The next prime is 172071167. The reversal of 172071148 is 841170271.

172071148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (172071143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21508890 + ... + 21508897.

Almost surely, 2^172071148 is an apocalyptic number.

It is an amenable number.

172071148 is a deficient number, since it is larger than the sum of its proper divisors (129053368).

172071148 is a wasteful number, since it uses less digits than its factorization.

172071148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43017791 (or 43017789 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 172071148 is about 13117.5892602261. The cubic root of 172071148 is about 556.2064473244.

The spelling of 172071148 in words is "one hundred seventy-two million, seventy-one thousand, one hundred forty-eight".