147661338 has 16 divisors (see below), whose sum is σ = 322170336. Its totient is φ = 44745840.

The previous prime is 147661333. The next prime is 147661361. The reversal of 147661338 is 833166741.

It is a junction number, because it is equal to n+sod(n) for n = 147661296 and 147661305.

It is not an unprimeable number, because it can be changed into a prime (147661333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118581 + ... + 1118712.

It is an arithmetic number, because the mean of its divisors is an integer number (20135646).

Almost surely, 2^147661338 is an apocalyptic number.

147661338 is an abundant number, since it is smaller than the sum of its proper divisors (174508998).

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

147661338 is a wasteful number, since it uses less digits than its factorization.

147661338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237309.

The product of its digits is 72576, while the sum is 39.

The square root of 147661338 is about 12151.5981664965. The cubic root of 147661338 is about 528.5534758033.

The spelling of 147661338 in words is "one hundred forty-seven million, six hundred sixty-one thousand, three hundred thirty-eight".