147280185613441 has 4 divisors (see below), whose sum is σ = 148355223464772. Its totient is φ = 146205147762112.

The previous prime is 147280185613409. The next prime is 147280185613493. The reversal of 147280185613441 is 144316581082741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86338290585600 + 60941895027841 = 9291840^2 + 7806529^2 .

It is a cyclic number.

It is not a de Polignac number, because 147280185613441 - 2⁵ = 147280185613409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147280185653441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537518925460 + ... + 537518925733.

It is an arithmetic number, because the mean of its divisors is an integer number (37088805866193).

Almost surely, 2^{147280185613441} is an apocalyptic number.

It is an amenable number.

147280185613441 is a deficient number, since it is larger than the sum of its proper divisors (1075037851331).

147280185613441 is a wasteful number, since it uses less digits than its factorization.

147280185613441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075037851330.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 147280185613441 in words is "one hundred forty-seven trillion, two hundred eighty billion, one hundred eighty-five million, six hundred thirteen thousand, four hundred forty-one".