147838 has 8 divisors (see below), whose sum is σ = 223488. Its totient is φ = 73344.

The previous prime is 147827. The next prime is 147853. The reversal of 147838 is 838741.

It is a happy number.

147838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 195 + ... + 577.

It is an arithmetic number, because the mean of its divisors is an integer number (27936).

2¹⁴⁷⁸³⁸ is an apocalyptic number.

147838 is a deficient number, since it is larger than the sum of its proper divisors (75650).

147838 is a wasteful number, since it uses less digits than its factorization.

147838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578.

The product of its digits is 5376, while the sum is 31.

The square root of 147838 is about 384.4970741111. The cubic root of 147838 is about 52.8764178894.

The spelling of 147838 in words is "one hundred forty-seven thousand, eight hundred thirty-eight".