147472117 has 4 divisors (see below), whose sum is σ = 158816140. Its totient is φ = 136128096.

The previous prime is 147472111. The next prime is 147472123. The reversal of 147472117 is 711274741.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (147472111) and next prime (147472123).

It can be written as a sum of positive squares in 2 ways, for example, as 6195121 + 141276996 = 2489^2 + 11886^2 .

It is not a de Polignac number, because 147472117 - 2³ = 147472109 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 (147472111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5671992 + ... + 5672017.

It is an arithmetic number, because the mean of its divisors is an integer number (39704035).

Almost surely, 2^147472117 is an apocalyptic number.

It is an amenable number.

147472117 is a deficient number, since it is larger than the sum of its proper divisors (11344023).

147472117 is a wasteful number, since it uses less digits than its factorization.

147472117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11344022.

The product of its digits is 10976, while the sum is 34.

The square root of 147472117 is about 12143.8098222922. The cubic root of 147472117 is about 528.3276072272.

The spelling of 147472117 in words is "one hundred forty-seven million, four hundred seventy-two thousand, one hundred seventeen".