147898241 has 4 divisors (see below), whose sum is σ = 152669184. Its totient is φ = 143127300.

The previous prime is 147898229. The next prime is 147898259. The reversal of 147898241 is 142898741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 142898741 = 73 ⋅1957517.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147898241 is a prime.

It is a super-3 number, since 3×147898241³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147898192 and 147898201.

It is not an unprimeable number, because it can be changed into a prime (147898271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385425 + ... + 2385486.

It is an arithmetic number, because the mean of its divisors is an integer number (38167296).

Almost surely, 2^147898241 is an apocalyptic number.

It is an amenable number.

147898241 is a deficient number, since it is larger than the sum of its proper divisors (4770943).

147898241 is an equidigital number, since it uses as much as digits as its factorization.

147898241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770942.

The product of its digits is 129024, while the sum is 44.

The square root of 147898241 is about 12161.3420723208. The cubic root of 147898241 is about 528.8359893832.

The spelling of 147898241 in words is "one hundred forty-seven million, eight hundred ninety-eight thousand, two hundred forty-one".