147661763 has 8 divisors (see below), whose sum is σ = 150660000. Its totient is φ = 144671488.

The previous prime is 147661747. The next prime is 147661777. The reversal of 147661763 is 367166741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147661763 - 2⁴ = 147661747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147661763.

It is not an unprimeable number, because it can be changed into a prime (147661793) 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 7 ways as a sum of consecutive naturals, for example, 47738 + ... + 50736.

It is an arithmetic number, because the mean of its divisors is an integer number (18832500).

Almost surely, 2^147661763 is an apocalyptic number.

147661763 is a deficient number, since it is larger than the sum of its proper divisors (2998237).

147661763 is an equidigital number, since it uses as much as digits as its factorization.

147661763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981.

The product of its digits is 127008, while the sum is 41.

The square root of 147661763 is about 12151.6156538956. The cubic root of 147661763 is about 528.5539828984.

The spelling of 147661763 in words is "one hundred forty-seven million, six hundred sixty-one thousand, seven hundred sixty-three".