147813841 has 12 divisors (see below), whose sum is σ = 177877620. Its totient is φ = 122327520.

The previous prime is 147813829. The next prime is 147813857. The reversal of 147813841 is 148318741.

It can be written as a sum of positive squares in 2 ways, for example, as 92236816 + 55577025 = 9604^2 + 7455^2 .

It is not a de Polignac number, because 147813841 - 2⁷ = 147813713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147813841.

It is not an unprimeable number, because it can be changed into a prime (147813881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50590 + ... + 53431.

It is an arithmetic number, because the mean of its divisors is an integer number (14823135).

Almost surely, 2^147813841 is an apocalyptic number.

It is an amenable number.

147813841 is a deficient number, since it is larger than the sum of its proper divisors (30063779).

147813841 is a wasteful number, since it uses less digits than its factorization.

147813841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104064 (or 104057 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 147813841 is about 12157.8715653687. The cubic root of 147813841 is about 528.7353745952.

The spelling of 147813841 in words is "one hundred forty-seven million, eight hundred thirteen thousand, eight hundred forty-one".