147340881 has 6 divisors (see below), whose sum is σ = 212825730. Its totient is φ = 98227248.

The previous prime is 147340841. The next prime is 147340883. The reversal of 147340881 is 188043741.

It can be written as a sum of positive squares in only one way, i.e., 91987281 + 55353600 = 9591^2 + 7440^2 .

It is not a de Polignac number, because 147340881 - 2¹⁴ = 147324497 is a prime.

It is a super-2 number, since 2×147340881² = 43418670427712322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147340883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8185596 + ... + 8185613.

It is an arithmetic number, because the mean of its divisors is an integer number (35470955).

Almost surely, 2^147340881 is an apocalyptic number.

It is an amenable number.

147340881 is a deficient number, since it is larger than the sum of its proper divisors (65484849).

147340881 is a wasteful number, since it uses less digits than its factorization.

147340881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371215 (or 16371212 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 147340881 is about 12138.4052082636. The cubic root of 147340881 is about 528.1708404639.

The spelling of 147340881 in words is "one hundred forty-seven million, three hundred forty thousand, eight hundred eighty-one".