147758481841 has 4 divisors (see below), whose sum is σ = 148583948400. Its totient is φ = 146933015284.

The previous prime is 147758481821. The next prime is 147758481853. The reversal of 147758481841 is 148184857741.

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: 148184857741 = 19 ⋅7799203039.

It is a cyclic number.

It is not a de Polignac number, because 147758481841 - 2²³ = 147750093233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147758481821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412733011 + ... + 412733368.

It is an arithmetic number, because the mean of its divisors is an integer number (37145987100).

Almost surely, 2^147758481841 is an apocalyptic number.

It is an amenable number.

147758481841 is a deficient number, since it is larger than the sum of its proper divisors (825466559).

147758481841 is an equidigital number, since it uses as much as digits as its factorization.

147758481841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825466558.

The product of its digits is 8028160, while the sum is 58.

The spelling of 147758481841 in words is "one hundred forty-seven billion, seven hundred fifty-eight million, four hundred eighty-one thousand, eight hundred forty-one".