147382881 has 4 divisors (see below), whose sum is σ = 196510512. Its totient is φ = 98255252.

The previous prime is 147382861. The next prime is 147382883. The reversal of 147382881 is 188283741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147382881 - 2¹⁵ = 147350113 is a prime.

It is a super-2 number, since 2×147382881² = 43443427223720322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147382883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24563811 + ... + 24563816.

It is an arithmetic number, because the mean of its divisors is an integer number (49127628).

Almost surely, 2^147382881 is an apocalyptic number.

It is an amenable number.

147382881 is a deficient number, since it is larger than the sum of its proper divisors (49127631).

147382881 is an equidigital number, since it uses as much as digits as its factorization.

147382881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49127630.

The product of its digits is 86016, while the sum is 42.

The square root of 147382881 is about 12140.1351310436. The cubic root of 147382881 is about 528.2210213046.

The spelling of 147382881 in words is "one hundred forty-seven million, three hundred eighty-two thousand, eight hundred eighty-one".