147147061 has 2 divisors, whose sum is σ = 147147062. Its totient is φ = 147147060.

The previous prime is 147147047. The next prime is 147147079. The reversal of 147147061 is 160741741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129254161 + 17892900 = 11369^2 + 4230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147147061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147147041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73573530 + 73573531.

It is an arithmetic number, because the mean of its divisors is an integer number (73573531).

Almost surely, 2^147147061 is an apocalyptic number.

It is an amenable number.

147147061 is a deficient number, since it is larger than the sum of its proper divisors (1).

147147061 is an equidigital number, since it uses as much as digits as its factorization.

147147061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 147147061 is about 12130.4188303620. The cubic root of 147147061 is about 527.9391442048.

The spelling of 147147061 in words is "one hundred forty-seven million, one hundred forty-seven thousand, sixty-one".