147538 has 8 divisors (see below), whose sum is σ = 224640. Its totient is φ = 72660.

The previous prime is 147517. The next prime is 147541. The reversal of 147538 is 835741.

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

It is a super-2 number, since 2×147538² = 43534922888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378 + ... + 661.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2¹⁴⁷⁵³⁸ is an apocalyptic number.

147538 is a deficient number, since it is larger than the sum of its proper divisors (77102).

147538 is a wasteful number, since it uses less digits than its factorization.

147538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112.

The product of its digits is 3360, while the sum is 28.

The square root of 147538 is about 384.1067559937. The cubic root of 147538 is about 52.8406272099.

The spelling of 147538 in words is "one hundred forty-seven thousand, five hundred thirty-eight".