147194988 has 12 divisors (see below), whose sum is σ = 343455000. Its totient is φ = 49064992.

The previous prime is 147194953. The next prime is 147195001. The reversal of 147194988 is 889491741.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 147194988.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6133113 + ... + 6133136.

It is an arithmetic number, because the mean of its divisors is an integer number (28621250).

Almost surely, 2^147194988 is an apocalyptic number.

It is an amenable number.

147194988 is an abundant number, since it is smaller than the sum of its proper divisors (196260012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147194988 is a wasteful number, since it uses less digits than its factorization.

147194988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12266256 (or 12266254 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The square root of 147194988 is about 12132.3941577910. The cubic root of 147194988 is about 527.9964560139.

The spelling of 147194988 in words is "one hundred forty-seven million, one hundred ninety-four thousand, nine hundred eighty-eight".