147798061 has 4 divisors (see below), whose sum is σ = 148025052. Its totient is φ = 147571072.

The previous prime is 147798043. The next prime is 147798067. The reversal of 147798061 is 160897741.

147798061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 30184036 + 117614025 = 5494^2 + 10845^2 .

It is a cyclic number.

It is not a de Polignac number, because 147798061 - 2¹³ = 147789869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147797999 and 147798017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147798067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112516 + ... + 113821.

It is an arithmetic number, because the mean of its divisors is an integer number (37006263).

Almost surely, 2^147798061 is an apocalyptic number.

It is an amenable number.

147798061 is a deficient number, since it is larger than the sum of its proper divisors (226991).

147798061 is an equidigital number, since it uses as much as digits as its factorization.

147798061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226990.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 147798061 is about 12157.2225857718. Note that the first 3 decimals coincide. The cubic root of 147798061 is about 528.7165587183.

The spelling of 147798061 in words is "one hundred forty-seven million, seven hundred ninety-eight thousand, sixty-one".