147858 has 16 divisors (see below), whose sum is σ = 311520. Its totient is φ = 46656.

The previous prime is 147853. The next prime is 147859. The reversal of 147858 is 858741.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (147853) 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, 535 + ... + 762.

It is an arithmetic number, because the mean of its divisors is an integer number (19470).

2¹⁴⁷⁸⁵⁸ is an apocalyptic number.

147858 is an abundant number, since it is smaller than the sum of its proper divisors (163662).

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

147858 is a wasteful number, since it uses less digits than its factorization.

147858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its digits is 8960, while the sum is 33.

The square root of 147858 is about 384.5230812318. The cubic root of 147858 is about 52.8788022125.

The spelling of 147858 in words is "one hundred forty-seven thousand, eight hundred fifty-eight".