147417381 has 8 divisors (see below), whose sum is σ = 218396160. Its totient is φ = 98278236.

The previous prime is 147417367. The next prime is 147417401. The reversal of 147417381 is 183714741.

It is not a de Polignac number, because 147417381 - 2⁶ = 147417317 is a prime.

It is a super-2 number, since 2×147417381² = 43463768441798322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147417331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729925 + ... + 2729978.

It is an arithmetic number, because the mean of its divisors is an integer number (27299520).

Almost surely, 2^147417381 is an apocalyptic number.

It is an amenable number.

147417381 is a deficient number, since it is larger than the sum of its proper divisors (70978779).

147417381 is an equidigital number, since it uses as much as digits as its factorization.

147417381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459912 (or 5459906 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 147417381 is about 12141.5559546542. Note that the first 3 decimals coincide. The cubic root of 147417381 is about 528.2622341495.

It can be divided in two parts, 14741 and 7381, that added together give a palindrome (22122).

The spelling of 147417381 in words is "one hundred forty-seven million, four hundred seventeen thousand, three hundred eighty-one".